 "-Memento-" is a remix album for the "Clannad" visual novel, and was first released on December 28, 2004 in Japan by Key Sounds Label bearing the catalog numbers "KSLA-0016—0017".The album contains two discs with seventeen tracks remixed from background music featured on the "Clannad Original Soundtrack".Riya provides vocals for four songs, "Mag Mell", "-Kage Futatsu-", "Chiisana Tenohira", and "Sakura Jokyoku"; Lia provides vocals for the song "Ana".