A Year has Four Lives (vocal part) Van der Roost, Jan F.J. A Year has Four Lives Van der Roost, Jan F.J. November Claesen, Ludo Between Sound and Sense Claesen, Ludo Kooitje Helsen, Hans Jan Publiek Claesen, Ludo Full of energy Claesen, Ludo Four drinking songs Steegmans, Paul When music is deep in your heart Claesen, Ludo 4 songs for soprano and guitar Duerinck, Philip Goed Claesen, Ludo Joke Claesen, Ludo A Year Has Four Lives Van der Roost, Jan F.J. No poem, no song Noten, Peter Be-koor-lijk Claesen, Ludo Ballade Claesen, Ludo