Complex sentence: Sweetman has been playing instruments since the 3rd grade specializing in Guitar, Piano, Saxophone, Jazz Flute, Sitar and G chromatic kazoo and recently performed at the 2007 Australian Gospel Music Festival in Toowoomba, Queensland.
Split into simpler sentences: Sweetman has been playing instruments since the 3rd grade specializing in Guitar, Piano, Saxophone, Jazz Flute, Sitar and G chromatic kazoo. He has performed at the 2007 Australian Gospel Music Festival in Toowoomba, Queensland.