Complex sentence: After three years of constant recording, promotion and touring the band broke up in 1989 following the collapse of PMRC and the success of Belew's solo hit single "Oh Daddy", which in turn led to him touring with David Bowie.
Split into simpler sentences: After three years of constant recording, promotion and touring the band broke up in 1989 following the collapse of PMRC. The success of Belew's solo hit single "Oh Daddy" led to him touring with David Bowie.