Complex sentence: Duglas T. Stewart (born 30 December 1964) has been leader and the main composer of Glaswegian indie pop band BMX Bandits since they formed in 1985.
Split into simpler sentences: Duglas T. Stewart (born 30 December 1964). Stewart has been leader and the main composer of Glaswegian indie pop staples BMX Bandits since they formed in 1985.