Complex sentence: Several years later he met bassist David Friesen in New York City, and they formed a duo in 1976 that recorded and toured prolifically for seven years, with performances in the United States, Canada, Europe and Australia.
Split into simpler sentences: Several years later he met bassist David Friesen in New York City. The two formed a duo in 1976 that recorded and toured prolifically for seven years, with performances in the United States, Canada, Europe and Australia.