Willem van Otterloo (27 December 1907 – 27 July 1978) was a Dutch conductor, cellist and composer. Particularly prized for his performances of newer music, he made recordings, mostly for Philips Records, with Residentie Orkest, Concertgebouworkest, Berlin Philharmonic, Vienna Philharmonic, Vienna Symphony, Orchestre Lamoureux and the Sydney Symphony. [source from Wikipedia]