David Sancious is an American musician. He was an early member of Bruce Springsteen's backing group, the E Street Band, and contributed to the first three Springsteen albums, and again on Human Touch, Tracks, and Western Stars. Sancious is a multi-instrumentalist but is best known as a keyboard player and guitarist. He left the E Street Band in 1974 to form his own band, Tone, and released several albums. He subsequently became a popular session and touring musician, most notably for Stanley Clarke, Narada Michael Walden, Zucchero Fornaciari, Eric Clapton, Peter Gabriel, Jack Bruce, and Sting among many others. In 2014, Sancious was inducted into the Rock and Roll Hall of Fame as a member of the E Street Band.