November Claesen, Ludo Between Sound and Sense Claesen, Ludo Kleine diptiek Slootmaekers, Martin Jan Publiek Claesen, Ludo Full of energy Claesen, Ludo Sigi and Julia, de musical (vocal part) De Baets, Thomas Sigi and Julia, dé musical De Baets, Thomas Sigi and Julia, de musical (instr. Parts) De Baets, Thomas La Musica Furiosa Claesen, Ludo Four drinking songs Steegmans, Paul When music is deep in your heart Claesen, Ludo Goed Claesen, Ludo Joke Claesen, Ludo No poem, no song Noten, Peter Be-koor-lijk Claesen, Ludo Ballade Claesen, Ludo