The Sound In Action Trio A Chicago Outfit Led By Reedsman Ken Vandermark Presents The Young Sax/clarinet Whiz Accompanied Only By The Explosive Percussion Work Of Two Drummers. With Sound In Action Vandermark Has Enlisted Sun Ra Arkestra Alumnus Robert Barry And Tim Mulvenna A Young Drummer Who Has Served Time In Steam The Vandermark 5 And The Chicago Bridge Unit. Together This Threesome Demonstrates A Versatility And Sonic Depth That Belies Its Sparse Instrumentation.