Following Toto IV, two of the initial members, Hungate and Kimball, departed the band. Hungate was replaced on bass by Mike Porcaro, while Kimball was replaced by a selection of various limited-term vocalists, the longest serving of which was Joseph Williams. Soon after Jeff Porcaro's Loss of life in 1992, https://kameronjbvlg.oneworldwiki.com/5988316/details_fiction_and_rtp_tvtoto