Nexus is a Toronto-based percussion ensemble that performs standard percussion ensemble repertoire, ragtime music, world music, contemporary classical music and as a group, has performed as soloist with some of the top orchestras around the world. The group formed in 1971 and debuted with a concert of entirely improvised music. In the mid-1970s the group recorded two albums with New Age music pioneer Paul Horn: Paul Horn and Nexus (1975) and Altura Do Sol (1976). In 1982 the group released Nexus and Earle Birney, a triple-album collaboration with noted Canadian poet Earle Birney.