Complex sentence: Dick Rogers (1912--1970) was a singer, comedian and songwriter and pianist, who co-wrote the song Harlem Nocturne and a member of the Ray Noble orchestra and the Will Osborne band.
Split into simpler sentences: Dick Rogers (1912--1970) was a singer, comedian and songwriter and pianist, who co-wrote the song Harlem Nocturne. He was a member of the Ray Noble orchestra and the Will Osborne band.