ハーグ王立音楽院
Waschka studied at Brooklyn College, at the Institute of Sonology, then newly part of the Royal Conservatory of The Hague, and earned his doctorate at the University of North Texas. His teachers include Larry Austin at the University of North Texas, Charles Dodge (composer) at Brooklyn College, and Paul Berg, Clarence Barlow, Joel Ryan and George Lewis (trombonist) at the Royal Conservatory of The Hague. He also studied with Robert Ashley.