 Williams was lead vocalist with Toto during the mid-to-late 1980s and was featured on the albums "Fahrenheit" (1986) and "The Seventh One" (1988) before leaving due to personal problems.He can also be heard on the album "Toto XX" (1998), a compilation of rare and unreleased tracks.He is featured on Toto's 2006 album, "Falling in Between", sharing lead vocals with Steve Lukather on "Bottom of Your Soul".