Complex sentence: In 1992, after the "Diamonds and Pearls" tour, Rosie decided it was time for her to go solo again, although she continued to work on and off with Prince throughout the years.
Split into simpler sentences: In 1992, after the "Diamonds and Pearls" tour, Rosie decided it was time for her to go solo again. She left The NPG in 1992 but continued to work on and off with Prince throughout the years.