Subsequent Toto IV, two of the first users, Hungate and Kimball, departed the band. Hungate was replaced on bass by Mike Porcaro, although Kimball was changed by a variety of different limited-phrase vocalists, the longest serving of which was Joseph Williams. Right after Jeff Porcaro's Loss of life in 1992, https://digital-work.odoo.com/blog/news-2/avoid-toto-scams-follow-recommendations-from-this-is-vegas-229