Complex sentence: It was another ten years, until the release of his third album "The River Turns the Wheel" (1997), which contained backing vocals by Bill Morrissey and Cormac McCarthy and was on Martin's own label, Riversong Records.
Split into simpler sentences: It was another ten years, until the release of his third album in 1997. This album, "The River Turns the Wheel", contained backing vocals by Bill Morrissey and Cormac McCarthy and was on Martin's own label, Riversong Records.