Complex sentence: After the second album, Farrell, Purim and Moreira left the group to form their own band, and guitarist Bill Connors, drummer Steve Gadd and percussionist Mingo Lewis were taken on.
Split into simpler sentences: After the second album, Farrell, Purim and Moreira left the group in order to set up their own band. Guitarist Bill Connors, drummer Steve Gadd and percussionist Mingo Lewis were taken on.