Complex sentence: From around 2000 onwards, Bates recorded output and live performances began to become rarer as he adapted to a shrinking British jazz scene and concentrated on composition, including large-scale commissions for classical performers and ensembles.
Split into simpler sentences: From around 2000 onwards, Bates recorded output and live performances became rarer as he adapted to a shrinking British jazz scene. He began to concentrate more on composition, including large-scale commissions for classical performers and ensembles.