Joseph Stanley Williams (born September 1, 1960) is an American singer, songwriter and film score composer, best known as the lead vocalist of the rock band Toto from 1986 to 1988 and again since 2010. Outside of Toto, he has worked as a composer and studio vocalist, including providing the singing voice of adult Simba in the 1994 animated film The Lion King. Description above from the Wikipedia article Joseph Williams (musician), licensed under CC-BY-SA, full list of contributors on Wikipedia.