Steven Lee Lukather is an American guitarist, singer, songwriter, arranger, and record producer, best known as the sole continuous founding member of the rock band Toto. His reputation as a skilled guitarist led to a steady flow of session work beginning in the 1970s that has since established him as a prolific session musician, recording guitar tracks for more than 1,500 albums spanning a broad array of artists and genres. He has also contributed to albums and hit singles as a songwriter, arranger, and producer. Notably, Lukather played guitar on Boz Scaggs's albums Down Two Then Left (1977) and Middle Man (1980), and was a prominent contributor to Michael Jackson's Thriller (1982). Lukather has released nine solo albums, the latest of which, Bridges, was released in June 2023.