Peter de Boer et Simon LutzFlûte Traversière facileEditions De Haske Publications
Peter de Boer et Simon LutzAlto- / Baritone Saxophone facileEditions De Haske Publications
Peter de Boer et Simon LutzSaxophone facileEditions De Haske Publications
Jaap KasteleinFlute, Oboe, Violin or C-Melody Instruments EASY-INTERMEDIATEEditions De Haske Publications
Jaap KasteleinAlto Saxophone, Bariton Saxophone or Eb Horn EASY-INTERMEDIATEEditions De Haske Publications
Jaap KasteleinClarinet, Saxophone, Trumpet or Bariton [TC] EASY-INTERMEDIATEEditions De Haske Publications