Peter Adriaansz was born in Seattle in 1966 and studied composition at the conservatories of The Hague and Rotterdam, where his teachers included Louis Andriessen, Brian Ferneyhough and Peter-Jan Wagemans. From 1993 Adriaansz has worked as a freelance composer receiving numerous commissions and performances from ensembles, festivals and individual musicians from all over the world, as well as writing for ensembles with more unusual instrumentations for specific projects. Adriaansz’ work can be characterized by a systematic, research-oriented approach towards music, in which sound, structure and audible mathematics constitute the main ingredients. In recent years an increasing interest in flexibility, variable forms and — especially — microtonal reflection can also be observed in his work. This latter interest led, among other works, to several large-scale compositions for amplified ensembles, such as Prana (2007) and Music for Sines, Percussion, ebows & variable Ensemble (2008), orchestra and voices (Anekabahudaravaktranetram, 2007, Verdichtingen, 2009), two extended series, on spatial harmony (Structures I-XVI, 2005) and microacoustics (Waves 1-13, 2008) and many (electro-) acoustic works for incidental commissions. Adriaansz is also artistic director of Slagwerkgroep Den Haag (Percussion Group The Hague).