Complex sentence: In late 2004 Strachan and drummer David "Gus" Weinkauf formed Feuermusik, a free jazz duo with Strachan on saxophone and Weinkauf playing percussion on buckets.
Split into simpler sentences: In late 2004 Strachan and drummer David Weinkauf formed Feurmusik. A free jazz duo with Strachan on saxophone and Weinkauf playing percussion on buckets.