Complex sentence: Dominic Glynn (born September 27,1960) is an English electronic composer, known for his arrangement of the "Doctor Who" theme music which served as the series' theme for Season 23 of the programme.
Split into simpler sentences: Dominic Glynn (born September 27,1960) is an English electronic composer. His work includes the arrangement of the "Doctor Who" theme music which served as the series' theme for Season 23 of the programme.