diff --git a/README.md b/README.md
index da46d7b6..7a26f16b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 # LMS - Lightweight Music Server
 
-LMS is a self-hosted music streaming software, released under the GPLv3 license.
-It allows you to access your music using a web interface.
+LMS is a self-hosted music streaming software: access your music files from anywhere using a web interface!
 
 A [demo](http://lms.demo.poupon.io) instance is available, with the following limitations:
 - Settings cannot be saved
@@ -10,8 +9,8 @@ A [demo](http://lms.demo.poupon.io) instance is available, with the following li
 ## Main features
 - Responsive design
 - Browse your audio collection using tag-based filters
-- User management
 - Persistent play queue
+- User management
 - Radio mode
 - MusicBrainzID support to handle duplicated artist and release names
 - Audio transcode for maximum interoperability and low bandwith requirements
diff --git a/approot/messages.xml b/approot/messages.xml
index 5a606c24..cc421dab 100644
--- a/approot/messages.xml
+++ b/approot/messages.xml
@@ -79,6 +79,9 @@
 <message id="Lms.Explore.ArtistsInfo.recently-added">Recently added</message>
 <message id="Lms.Explore.ArtistsInfo.most-played">Top artists</message>
 
+<!--Explore:Release-->
+<message id="Lms.Explore.Release.copyright">Copyright</message>
+
 <!--Explore:Releases-->
 <message id="Lms.Explore.ReleasesInfo.recently-added">Recently added</message>
 <message id="Lms.Explore.ReleasesInfo.most-played">Top releases</message>
diff --git a/approot/release.xml b/approot/release.xml
index 51b9bc9d..ea9191ec 100644
--- a/approot/release.xml
+++ b/approot/release.xml
@@ -16,6 +16,13 @@
 		${play-btn}${add-btn}
 	</div>
 	${tracks}
+	${<if-has-copyright-or-copyright-url>}
+	<div class="page-header">
+		<h4><small>${tr:Lms.Explore.Release.copyright}</small></h4>
+	</div>
+	${<if-has-copyright>}<small>${copyright}</small>${</if-has-copyright>}
+	${<if-has-copyright-url>}<small>${copyright-url}</small>${</if-has-copyright-url>}
+	${</if-has-copyright-or-copyright-url>}
 </message>
 
 <message id="Lms.Explore.Release.template.entry">
diff --git a/src/av/AvTranscoder.hpp b/src/av/AvTranscoder.hpp
index 40df78fe..c91ac9c5 100644
--- a/src/av/AvTranscoder.hpp
+++ b/src/av/AvTranscoder.hpp
@@ -48,9 +48,9 @@ struct TranscodeParameters
 	Encoding	encoding = Encoding::MP3;
 	std::size_t	bitrate = 128000;
 	boost::optional<std::size_t> stream = boost::none; // Id of the stream to be transcoded (auto detect by default)
-	boost::optional<std::chrono::seconds> offset;
+	boost::optional<std::chrono::seconds> offset = boost::none;;
 
-	TranscodeParameters() {}
+	TranscodeParameters() = default;
 };
 
 class Transcoder
diff --git a/src/cover/CoverArtGrabber.cpp b/src/cover/CoverArtGrabber.cpp
index ce688492..4936a406 100644
--- a/src/cover/CoverArtGrabber.cpp
+++ b/src/cover/CoverArtGrabber.cpp
@@ -178,12 +178,12 @@ Grabber::getFromTrack(Wt::Dbo::Session& session, Database::IdType trackId, std::
 		Track::pointer track = Track::getById(session, trackId);
 		if (track)
 		{
-			Track::CoverType coverType = track->getCoverType();
+			bool hasCover = track->hasCover();
 			boost::filesystem::path trackPath = track->getPath();
 
 			transaction.commit();
 
-			if (coverType == Track::CoverType::Embedded)
+			if (hasCover)
 				cover = getFromTrack(trackPath);
 
 			if (!cover)
diff --git a/src/database/Artist.cpp b/src/database/Artist.cpp
index 194b8581..ccff0b47 100644
--- a/src/database/Artist.cpp
+++ b/src/database/Artist.cpp
@@ -65,7 +65,7 @@ Artist::create(Wt::Dbo::Session& session, const std::string& name, const std::st
 std::vector<Artist::pointer>
 Artist::getAll(Wt::Dbo::Session& session, int offset, int size)
 {
-	Wt::Dbo::collection<pointer> res = session.find<Artist>().orderBy("LOWER(name)").offset(offset).limit(size);
+	Wt::Dbo::collection<pointer> res = session.find<Artist>().offset(offset).limit(size);
 	return std::vector<pointer>(res.begin(), res.end());
 }
 
@@ -107,7 +107,7 @@ getQuery(Wt::Dbo::Session& session,
 	if (!clusterIds.empty())
 		oss << " GROUP BY t.id HAVING COUNT(*) = " << clusterIds.size();
 
-	oss << " ORDER BY a.name";
+	oss << " ORDER BY a.name COLLATE NOCASE";
 
 	Wt::Dbo::Query<Artist::pointer> query = session.query<Artist::pointer>( oss.str() );
 
diff --git a/src/database/Release.cpp b/src/database/Release.cpp
index 7cabd1d8..6f97e3a3 100644
--- a/src/database/Release.cpp
+++ b/src/database/Release.cpp
@@ -19,6 +19,8 @@
 
 #include "Release.hpp"
 
+#include "utils/Logger.hpp"
+
 #include "Artist.hpp"
 #include "Cluster.hpp"
 #include "SqlQuery.hpp"
@@ -117,7 +119,7 @@ getQuery(Wt::Dbo::Session& session,
 	if (!clusterIds.empty())
 		oss << " GROUP BY t.id HAVING COUNT(*) = " << clusterIds.size();
 
-	oss << " ORDER BY r.name";
+	oss << " ORDER BY r.name COLLATE NOCASE";
 
 	Wt::Dbo::Query<Release::pointer> query = session.query<Release::pointer>( oss.str() );
 
@@ -163,7 +165,7 @@ Release::getReleaseYear(bool original) const
 		.groupBy(field)
 		.bind(this->id());
 
-	/* various dates, no date */
+	// various dates => no date
 	if (dates.empty() || dates.size() > 1)
 		return boost::none;
 
@@ -175,6 +177,46 @@ Release::getReleaseYear(bool original) const
 		return boost::none;
 }
 
+boost::optional<std::string>
+Release::getCopyright() const
+{
+	assert(session());
+
+	Wt::Dbo::collection<std::string> copyrights = session()->query<std::string>
+		("SELECT copyright FROM track t INNER JOIN release r ON r.id = t.release_id")
+		.where("r.id = ?")
+		.groupBy("copyright")
+		.bind(this->id());
+
+	std::vector<std::string> values(copyrights.begin(), copyrights.end());
+
+	// various copyrights => no copyright
+	if (values.empty() || values.size() > 1 || values.front().empty())
+		return boost::none;
+
+	return values.front();
+}
+
+boost::optional<std::string>
+Release::getCopyrightURL() const
+{
+	assert(session());
+
+	Wt::Dbo::collection<std::string> copyrights = session()->query<std::string>
+		("SELECT copyright_url FROM track t INNER JOIN release r ON r.id = t.release_id")
+		.where("r.id = ?")
+		.groupBy("copyright_url")
+		.bind(this->id());
+
+	std::vector<std::string> values(copyrights.begin(), copyrights.end());
+
+	// various copyright URLs => no copyright URL
+	if (values.empty() || values.size() > 1 || values.front().empty())
+		return boost::none;
+
+	return values.front();
+}
+
 std::vector<Wt::Dbo::ptr<Artist>>
 Release::getArtists() const
 {
diff --git a/src/database/Release.hpp b/src/database/Release.hpp
index 1122314a..86584919 100644
--- a/src/database/Release.hpp
+++ b/src/database/Release.hpp
@@ -69,6 +69,8 @@ class Release : public Wt::Dbo::Dbo<Release>
 
 		// Utility functions
 		boost::optional<int> getReleaseYear(bool originalDate = false) const; // 0 if unknown or various
+		boost::optional<std::string> getCopyright() const;
+		boost::optional<std::string> getCopyrightURL() const;
 
 		// Accessors
 		std::string	getName() const		{ return _name; }
diff --git a/src/database/Track.cpp b/src/database/Track.cpp
index d7535afe..aa95619e 100644
--- a/src/database/Track.cpp
+++ b/src/database/Track.cpp
@@ -146,7 +146,7 @@ getQuery(Wt::Dbo::Session& session,
 	if (!clusterIds.empty())
 		oss << " GROUP BY t.id HAVING COUNT(*) = " << clusterIds.size();
 
-	oss << " ORDER BY t.name";
+	oss << " ORDER BY t.name COLLATE NOCASE";
 
 	Wt::Dbo::Query<Track::pointer> query = session.query<Track::pointer>( oss.str() );
 
@@ -224,6 +224,18 @@ Track::getOriginalYear() const
 	return (_originalYear > 0) ? boost::make_optional<int>(_originalYear) : boost::none;
 }
 
+boost::optional<std::string>
+Track::getCopyright() const
+{
+	return _copyright != "" ? boost::make_optional<std::string>(_copyright) : boost::none;
+}
+
+boost::optional<std::string>
+Track::getCopyrightURL() const
+{
+	return _copyrightURL != "" ? boost::make_optional<std::string>(_copyrightURL) : boost::none;
+}
+
 std::vector<std::vector<Cluster::pointer>>
 Track::getClusterGroups(std::vector<ClusterType::pointer> clusterTypes, std::size_t size) const
 {
diff --git a/src/database/Track.hpp b/src/database/Track.hpp
index 334ce2d9..e16b54d3 100644
--- a/src/database/Track.hpp
+++ b/src/database/Track.hpp
@@ -49,12 +49,6 @@ class Track : public Wt::Dbo::Dbo<Track>
 		Track() {}
 		Track(const boost::filesystem::path& p);
 
-		enum class CoverType
-		{
-			Embedded,	// Contains embedded cover
-			None,		// No local cover available
-		};
-
 		// Find utility functions
 		static pointer getByPath(Wt::Dbo::Session& session, const boost::filesystem::path& p);
 		static pointer getById(Wt::Dbo::Session& session, IdType id);
@@ -95,8 +89,10 @@ class Track : public Wt::Dbo::Dbo<Track>
 		void setYear(int year)						{ _year = year; }
 		void setOriginalYear(int year)					{ _originalYear = year; }
 		void setGenres(const std::string& genreList)			{ _genreList = genreList; }
-		void setCoverType(CoverType coverType)				{ _coverType = coverType; }
+		void setHasCover(bool hasCover)					{ _hasCover = hasCover; }
 		void setMBID(const std::string& MBID)				{ _MBID = MBID; }
+		void setCopyright(const std::string& copyright)			{ _copyright = std::string(copyright, 0, _maxCopyrightLength); }
+		void setCopyrightURL(const std::string& copyrightURL)		{ _copyrightURL = std::string(copyrightURL, 0, _maxCopyrightURLLength); }
 		void setArtist(Wt::Dbo::ptr<Artist> artist)			{ _artist = artist; }
 		void setRelease(Wt::Dbo::ptr<Release> release)			{ _release = release; }
 
@@ -113,8 +109,10 @@ class Track : public Wt::Dbo::Dbo<Track>
 		Wt::WDateTime			getLastWriteTime() const	{ return _fileLastWrite; }
 		Wt::WDateTime			getAddedTime() const		{ return _fileAdded; }
 		const std::vector<unsigned char>& getChecksum() const		{ return _fileChecksum; }
-		CoverType			getCoverType() const		{ return _coverType; }
+		bool				hasCover() const		{ return _hasCover; }
 		const std::string&		getMBID() const			{ return _MBID; }
+		boost::optional<std::string>	getCopyright() const;
+		boost::optional<std::string>	getCopyrightURL() const;
 		Wt::Dbo::ptr<Artist>		getArtist() const		{ return _artist; }
 		Wt::Dbo::ptr<Release>		getRelease() const		{ return _release; }
 		std::vector<Wt::Dbo::ptr<Cluster>>	getClusters() const;
@@ -138,8 +136,10 @@ class Track : public Wt::Dbo::Dbo<Track>
 				Wt::Dbo::field(a, _fileLastWrite,	"file_last_write");
 				Wt::Dbo::field(a, _fileAdded,		"file_added");
 				Wt::Dbo::field(a, _fileChecksum,	"checksum");
-				Wt::Dbo::field(a, _coverType,		"cover_type");
+				Wt::Dbo::field(a, _hasCover,		"has_cover");
 				Wt::Dbo::field(a, _MBID,		"mbid");
+				Wt::Dbo::field(a, _copyright,		"copyright");
+				Wt::Dbo::field(a, _copyrightURL,	"copyright_url");
 				Wt::Dbo::belongsTo(a, _release, "release", Wt::Dbo::OnDeleteCascade);
 				Wt::Dbo::belongsTo(a, _artist, "artist", Wt::Dbo::OnDeleteCascade);
 				Wt::Dbo::hasMany(a, _clusters, Wt::Dbo::ManyToMany, "track_cluster", "", Wt::Dbo::OnDeleteCascade);
@@ -149,6 +149,8 @@ class Track : public Wt::Dbo::Dbo<Track>
 	private:
 
 		static const std::size_t _maxNameLength = 128;
+		static const std::size_t _maxCopyrightLength = 128;
+		static const std::size_t _maxCopyrightURLLength = 128;
 
 		int					_scanVersion = 0;
 		int					_trackNumber = 0;
@@ -166,8 +168,10 @@ class Track : public Wt::Dbo::Dbo<Track>
 		std::vector<unsigned char>		_fileChecksum;
 		Wt::WDateTime				_fileLastWrite;
 		Wt::WDateTime				_fileAdded;
-		CoverType				_coverType = CoverType::None;
-		std::string				_MBID = ""; // Musicbrainz Identifier
+		bool					_hasCover = false;
+		std::string				_MBID; // Musicbrainz Identifier
+		std::string				_copyright;
+		std::string				_copyrightURL;
 
 		Wt::Dbo::ptr<Artist>			_artist;
 		Wt::Dbo::ptr<Release>			_release;
diff --git a/src/metadata/MetaData.hpp b/src/metadata/MetaData.hpp
index 9cef1e80..46192deb 100644
--- a/src/metadata/MetaData.hpp
+++ b/src/metadata/MetaData.hpp
@@ -50,6 +50,8 @@ namespace MetaData
 		MusicBrainzTrackID,	// string
 		MusicBrainzRecordingID,	// string
 		AcoustID,		// string
+		Copyright,		// string
+		CopyrightURL,		// string
 	};
 
 	// Used by Streams
diff --git a/src/metadata/TagLibParser.cpp b/src/metadata/TagLibParser.cpp
index 47440e47..35ab0406 100644
--- a/src/metadata/TagLibParser.cpp
+++ b/src/metadata/TagLibParser.cpp
@@ -194,11 +194,24 @@ TagLibParser::parse(const boost::filesystem::path& p, bool debug)
 				if (items.find(MetaData::Type::HasCover) == items.end())
 					items.insert( std::make_pair(MetaData::Type::HasCover, true));
 			}
+			else if (tag == "COPYRIGHT")
+			{
+				items.insert(std::make_pair(MetaData::Type::Copyright, values.front().to8Bit()));
+			}
+			else if (tag == "COPYRIGHTURL")
+			{
+				items.insert(std::make_pair(MetaData::Type::CopyrightURL, values.front().to8Bit()));
+			}
 			else if (_clusterTypeNames.find(tag) != _clusterTypeNames.end())
 			{
 				std::set<std::string> clusterNames;
-				for (const auto& value : values)
-					clusterNames.insert(value.to8Bit(true));
+				for (const auto& valueList : values)
+				{
+					auto values = splitString(valueList.to8Bit(), "/,;");
+
+					for (auto value : values)
+						clusterNames.insert(value);
+				}
 
 				if (!clusterNames.empty())
 					clusters[tag] = clusterNames;
diff --git a/src/scanner/MediaScanner.cpp b/src/scanner/MediaScanner.cpp
index 229295d3..28d54b7f 100644
--- a/src/scanner/MediaScanner.cpp
+++ b/src/scanner/MediaScanner.cpp
@@ -290,7 +290,7 @@ void
 MediaScanner::scheduleScan(std::chrono::seconds duration)
 {
 	LMS_LOG(DBUPDATER, INFO) << "Scheduling next scan in " << duration.count() << " seconds";
-	_scheduleTimer.expires_from_now(std::chrono::seconds(5)); //duration);
+	_scheduleTimer.expires_from_now(duration);
 	_scheduleTimer.async_wait( std::bind( &MediaScanner::scan, this, std::placeholders::_1) );
 }
 
@@ -316,7 +316,7 @@ MediaScanner::scan(boost::system::error_code err)
 	bool forceScan = false;
 	Stats stats;
 
-	checkAudioFiles(stats);
+	removeMissingTracks(stats);
 
 	LMS_LOG(UI, INFO) << "Checks complete, force scan = " << forceScan;
 
@@ -325,7 +325,10 @@ MediaScanner::scan(boost::system::error_code err)
 	LMS_LOG(DBUPDATER, INFO) << "scaning media directory '" << _mediaDirectory.string() << "' DONE";
 
 	if (_running)
+	{
+		removeOrphanEntries();
 		checkDuplicatedAudioFiles(stats);
+	}
 
 	LMS_LOG(DBUPDATER, INFO) << "Scan " << (_running ? "complete" : "aborted") << ". Changes = " << stats.nbChanges() << " (added = " << stats.additions << ", removed = " << stats.deletions << ", updated = " << stats.updates << "), Not changed = " << stats.skips << ", Scanned = " << stats.scans << " (errors = " << stats.scanErrors << ", not imported = " << stats.incompleteScans << "), duplicates = " << stats.nbDuplicates() << " (hash = " << stats.duplicateHashes << ", mbid = " << stats.duplicateMBID << ")";
 
@@ -566,7 +569,18 @@ MediaScanner::scanAudioFile(const boost::filesystem::path& file, bool forceScan,
 	{
 		bool hasCover = boost::any_cast<bool>((*items)[MetaData::Type::HasCover]);
 
-		track.modify()->setCoverType( hasCover ? Track::CoverType::Embedded : Track::CoverType::None );
+		track.modify()->setHasCover(hasCover);
+	}
+
+	if ((*items).find(MetaData::Type::Copyright) != (*items).end())
+	{
+
+		track.modify()->setCopyright( boost::any_cast<std::string>((*items)[MetaData::Type::Copyright]) );
+	}
+
+	if ((*items).find(MetaData::Type::CopyrightURL) != (*items).end())
+	{
+		track.modify()->setCopyrightURL( boost::any_cast<std::string>((*items)[MetaData::Type::CopyrightURL]) );
 	}
 
 	transaction.commit();
@@ -644,10 +658,8 @@ checkFile(const boost::filesystem::path& p, boost::filesystem::path mediaDirecto
 }
 
 void
-MediaScanner::checkAudioFiles( Stats& stats )
+MediaScanner::removeMissingTracks(Stats& stats)
 {
-	LMS_LOG(DBUPDATER, INFO) << "Checking audio files...";
-
 	std::vector<boost::filesystem::path> trackPaths = Track::getAllPaths(_db.getSession());;
 
 	LMS_LOG(DBUPDATER, DEBUG) << "Checking tracks...";
@@ -668,7 +680,11 @@ MediaScanner::checkAudioFiles( Stats& stats )
 			}
 		}
 	}
+}
 
+void
+MediaScanner::removeOrphanEntries()
+{
 	LMS_LOG(DBUPDATER, DEBUG) << "Checking orphan clusters...";
 	{
 		Wt::Dbo::Transaction transaction(_db.getSession());
diff --git a/src/scanner/MediaScanner.hpp b/src/scanner/MediaScanner.hpp
index 3e9309d8..853236aa 100644
--- a/src/scanner/MediaScanner.hpp
+++ b/src/scanner/MediaScanner.hpp
@@ -83,7 +83,8 @@ class MediaScanner
 		// Helpers
 		void refreshScanSettings();
 
-		void checkAudioFiles( Stats& stats );
+		void removeMissingTracks( Stats& stats );
+		void removeOrphanEntries();
 		void checkDuplicatedAudioFiles( Stats& stats );
 		void scanAudioFile( const boost::filesystem::path& file, bool forceScan, Stats& stats);
 
diff --git a/src/ui/admin/DatabaseSettingsView.cpp b/src/ui/admin/DatabaseSettingsView.cpp
index 561b5973..d23c0cc8 100644
--- a/src/ui/admin/DatabaseSettingsView.cpp
+++ b/src/ui/admin/DatabaseSettingsView.cpp
@@ -279,7 +279,7 @@ DatabaseSettingsView::refreshView()
 	Wt::WPushButton *discardBtn = t->bindWidget("discard-btn", std::make_unique<Wt::WPushButton>(Wt::WString::tr("Lms.discard")));
 	Wt::WPushButton *immScanBtn = t->bindWidget("immediate-scan-btn", std::make_unique<Wt::WPushButton>(Wt::WString::tr("Lms.Admin.Database.immediate-scan")));
 
-	saveBtn->clicked().connect(std::bind([=] ()
+	saveBtn->clicked().connect([=] ()
 	{
 		t->updateModel(model.get());
 
@@ -293,20 +293,20 @@ DatabaseSettingsView::refreshView()
 
 		// Udate the view: Delete any validation message in the view, etc.
 		t->updateView(model.get());
-	}));
+	});
 
-	discardBtn->clicked().connect(std::bind([=] ()
+	discardBtn->clicked().connect([=] ()
 	{
 		model->loadData();
 		model->validate();
 		t->updateView(model.get());
-	}));
+	});
 
-	immScanBtn->clicked().connect(std::bind([=] ()
+	immScanBtn->clicked().connect([=] ()
 	{
 		LmsApp->getMediaScanner().scheduleImmediateScan();
 		LmsApp->notifyMsg(MsgType::Info, Wt::WString::tr("Lms.Admin.Database.scan-launched"));
-	}));
+	});
 
 	t->updateView(model.get());
 }
diff --git a/src/ui/explore/ReleaseView.cpp b/src/ui/explore/ReleaseView.cpp
index f6b4015f..f03ff4a0 100644
--- a/src/ui/explore/ReleaseView.cpp
+++ b/src/ui/explore/ReleaseView.cpp
@@ -94,6 +94,28 @@ Release::refresh()
 		}
 	}
 
+	boost::optional<std::string> copyright = release->getCopyright();
+	boost::optional<std::string> copyrightURL = release->getCopyrightURL();
+
+	t->setCondition("if-has-copyright-or-copyright-url", copyright || copyrightURL);
+
+	if (copyrightURL)
+	{
+		t->setCondition("if-has-copyright-url", true);
+
+		Wt::WLink link(*copyrightURL);
+		link.setTarget(Wt::LinkTarget::NewWindow);
+		Wt::WAnchor* anchor = t->bindNew<Wt::WAnchor>("copyright-url", link);
+		anchor->setTextFormat(Wt::TextFormat::Plain);
+		anchor->setText(Wt::WString::fromUTF8(*copyrightURL));
+	}
+
+	if (copyright)
+	{
+		t->setCondition("if-has-copyright", true);
+		t->bindString("copyright", Wt::WString::fromUTF8(*copyright), Wt::TextFormat::Plain);
+	}
+
 	{
 		auto artists = release->getArtists();
 		if (artists.size() > 1)
diff --git a/tools/metadata/LmsMetadata.cpp b/tools/metadata/LmsMetadata.cpp
index 2bab33e2..6afd04ba 100644
--- a/tools/metadata/LmsMetadata.cpp
+++ b/tools/metadata/LmsMetadata.cpp
@@ -112,6 +112,14 @@ int main(int argc, char *argv[])
 					std::cout << "AcoustID: " << boost::any_cast<std::string>(item.second) << std::endl;
 					break;
 
+				case MetaData::Type::Copyright:
+					std::cout << "Copyright: " << boost::any_cast<std::string>(item.second) << std::endl;
+					break;
+
+				case MetaData::Type::CopyrightURL:
+					std::cout << "CopyrightURL: " << boost::any_cast<std::string>(item.second) << std::endl;
+					break;
+
 				default:
 					break;
 			}