Nexus is a Toronto-based percussion ensemble that performs jazz, world music, and western avantgarde music.The ensemble is made up of percussionists Bob Becker (mainly on xylophone and marimba), Bill Cahn (mainly xylophone), Robin Engelman, Russell Hartenberger, John Wyre, and Garry Kvistad. Founding member Michael Craden died of liver cancer in 1982. Wyre died in 2006 and was replaced by long-time professional colleague Garry Kvistad.