Complex sentence: David B. Cole (June 3,1962--January 24,1995) was a songwriter and record producer, and was one half of the dance-music duo C + C Music Factory, which he founded with musical partner Robert Clivillés.
Split into simpler sentences: David B. Cole (June 3,1962-January 24,1995) was a record producer. He was also a half of dance group C + C Music Factory (also known as Clivillés + Cole), a group he founded with musical partner Robert Clivillés.