Steven Maxwell Porcaro (born September 2, 1957) is an American keyboardist, songwriter, singer, and film composer, known as one of the founding members of the rock band Toto and the last surviving Porcaro brother (after the deaths of Jeff in 1992 and Mike in 2015); as the songwriter of "Human Nature" by Michael Jackson and songs by Toto; and as the composer of the TV series Justified. He has won three Grammys, including Record of the Year for "Rosanna" and Album of the Year for Toto IV, and three nominations. Porcaro has appeared as a session musician on recordings by Yes (on Union and Open Your Eyes) and Jefferson Airplane (on their self-titled 1989 reunion album). He was also a member of Chris Squire's short-lived band, The Chris Squire Experiment, in 1992. Early life Porcaro is a native of Connecticut. Just like his brothers Jeff and Mike, Steve Porcaro started out as a drummer under the tutelage of his father Joe Porcaro, before taking up piano. In 1967, his father bought him an organ made by Rheem, a company that specializes in heating and air conditioning. Soon after, he brought his father down to a Guitar Center to trade in the keyboard for a Farfisa with a Leslie 147 and preamp, which Porcaro called his "first real rig". Career Porcaro's touring career began playing with Gary Wright during his tour in 1977, supporting the latter's The Dream Weaver album. Porcaro and the other original members of Toto then played with Boz Scaggs before forming Toto. Porcaro wrote or co-wrote at least one song on each of Toto's first six albums, with the exception of Isolation. His two older brothers Mike and Jeff were Toto's bassist and drummer as well as session musicians while his father Joe was a prolific session percussionist. Unlike most of his Toto bandmates, he generally did not contribute lead or even backing vocals; he considered himself a weak singer, and sang lead on two of his earlier compositions only because he felt that the vocal styles of his bandmates, with the exception of Joseph Williams, were not appropriate for his songs. The song "Rosanna" was supposedly inspired by Porcaro's girlfriend at the time, Rosanna Arquette but this has since been denied by the song's writer, David Paich, and Arquette herself. In an interview with Ben Mankiewicz in 2022 both Paich and Arquette admitted on camera that