Compositions (examples)
Oh che tranquillo mar (mezzo, ensemble)
Rubáiyát (sopr, wineglasses)          
Bui, (sopr,pi,cb,perc)       
Qual vaga Filomela (sopr,cl,vcl)

Overtura real (orchestra)
Nachtegaal (violin solo)
Minischerzi (carillon)

Arrangements (examples)

Nederlands Blazers ensemble (classical)
Ne me quitte pas voc+sax4 (French chanson)
Tenor and string orchestra (classical)
Chamberorchestra (classical)
Theatre (classical)
Syrian refugees and NBE (worldmusic)

Ensembles (double bass) (examples)
Jazz (bass bowing-solo)
Vintage Jazz
Classical ensemble - La belle et la bete
Frank Groothof (theatre for children)

Cross-over music classic meets jazz