Pierre Alexandre Tremblay collaborates on a variety of projects, manipulating sound and playing bass guitar. He teaches composition and improvisation at the University of Huddersfield in England. He is a member of ars circa musicæ, and de type inconnu.
He launched his first acousmatic album, alter ego, in 2006, the first album of ars circa musicæ in 2007, and in 2008 the seventh album of [iks], the contemporary jazz ensemble he directed for eleven years. In 2009 he published La rage, a 50-minute suite for free-jazz drummer and electronics. He also worked on pop music projects in studio as producer and bass guitar, and is interested in video music and in DSP.