Complex sentence: Sigmund also performed as a lead trumpeter with the Johann Strauss School of Music Big Band in three editions of the prestigious Malta Jazz Festival and is currently assistant Band Master of the Sliema Vand Club and founder of the Sliema Youth Band.
Split into simpler sentences: Sigmund also performed as a lead trumpeter with the Johann Strauss School of Music Big Band in three editions of the Malta Jazz Festival. He is currently assistant Band Master of the Sliema Vand Club and was a founder of the Sliema Youth Band.