Complex sentence: Barratt, agreeing to both suggestions, promptly left the Rebels and then, inspired either by the memory of an old school friend playing bat and ball or maybe even an eccentric local roadsweeper, Michael Barratt rechristened himself Shakin' Stevens.
Split into simpler sentences: Barratt, agreeing to both suggestions, promptly left the Rebels. Then, inspired either by the memory of an old school friend playing bat and ball or maybe even an eccentric local roadsweeper, Michael Barratt rechristened himself Shakin' Stevens.