Complex sentence: HIA was formed by Bird in 1992 around the same time as he and a small group of collaborators begun an experimental electronic music club night called Oscillate, to which he brought his drum machines and synthesisers and improvised live in-between playing records.
Split into simpler sentences: HIA was formed by Bird in 1992 around the same time as he and a small group of collaborators began an experimental electronic music club night called Oscillate. Bird brought his drum machines and synthesisers to the club and improvised live in-between playing records.