diff --git a/src/database/Classification.hpp b/src/database/Classification.hpp
new file mode 100644
index 00000000..3cedd4fe
--- /dev/null
+++ b/src/database/Classification.hpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <Wt/Dbo/Dbo>
+
+namespace Database {
+
+class Track;
+
+class ClassificationData
+{
+	public:
+		typedef Wt::Dbo::ptr<ClassificationData> pointer;
+
+		ClassificationData() {}
+
+		template<class Action>
+			void persist(Action& a)
+			{
+				Wt::Dbo::field(a, _type,	"type");
+				Wt::Dbo::field(a, _value,	"value");
+				Wt::Dbo::belongsTo(a,	_track, "track", Wt::Dbo::OnDeleteCascade);
+			}
+
+	private:
+		std::string	_type;
+		std::string	_value;
+
+		Wt::Dbo::ptr<Track>	_track;
+};
+
+class Classification
+{
+	public:
+		typedef Wt::Dbo::ptr<Classification> pointer;
+
+		Classification() {}
+
+		template<class Action>
+			void persist(Action& a)
+			{
+				Wt::Dbo::field(a, _type, 	"type");
+				Wt::Dbo::field(a, _value,	"value");
+				Wt::Dbo::belongsTo(a,	_track, "track", Wt::Dbo::OnDeleteCascade);
+			}
+
+	private:
+
+		std::string	_type;
+		int		_value;
+
+		Wt::Dbo::ptr<Track>	_track;
+};
+
+} // namespace Database
+