Complex sentence: Rudolph Charles (1 October 1938--29 March 1985) was a musician and instrument maker of the Steelpan, but most notably, he was a pioneer and leader of the steelband movement in Trinidad and Tobago.
Split into simpler sentences: Rudolph Charles (1 October 1938--29 March 1985) was a musician and instrument maker of the Steelpan. But most notably, he was a pioneer and leader of the steelband movement in Trinidad and Tobago.