001 Paganini rides again – 2 pianos
008 De Tunnel – clarinet, piano
009 Nachtblauw – piano solo
011 The Graveyard between Art and Knowledge – tuba, piano
012 I Colli senesi – piano solo
029 Wies Anders – piano four hands
031 Suite for Flute and Piano
032 Suite for Horn and Piano
035 Concerto for Piano and Orchestra
037 Il Silenzio svelato – piano solo
061 Three Time Sketches – piano solo
064 Linee incantevoli – piano solo
065 Parfums éphémères – clarinet, viola, piano
067 Wagner’s Moon – clarinet, piano
071 Confused Conversations – piccolo, piano
077 The Phoenician Sailor – piccolo, EH, bass trombone, piano
078 Sonata for Violin and Piano
081 Conundrum, a sonata for Cello and Piano
085 Ce lac dur oublié – piano, string quartet
086 Een geurige mix – soprano, clarinet, piano
088 A Piece of Cake – 2 trumpets, percussion, double bass, piano
089 Nachtmusik – piano left hand
090 La Fenice – violin, cello, piano
092 Apostrophes & Parentheses – bassoon, piano
096 Evasion intérieure – viola, piano
098 für Cassandra – piano solo
099 Masked Verses – oboe, piano
100 Symposion – string trio, piano
107 Indian Summer – piano four hands
110 Trois Poèmes de Baudelaire – soprano, piano
111 Piano Sonata II op.111
115 Toccata, Aria & Fuga – 2 pianos
116 A Four Hands Sonata
117 Elegante e Grazioso – piano solo
119 Tableaux secrets – vibraphone, marimba, 2 pianos
125 Second Concerto for Piano and Orchestra
128 Sei Poesie italiani – baritone, piano
134 Totok songs for soprano, piano and synthesizer