Gadd toured the entire year 1991 with Paul Simon. He recorded and toured with Eric Clapton in 1994/1996 and again from 1997 to 2004. 1997 also saw him on a world tour in a trio with the French jazz great Michel Petrucciani and his long-time band colleague, bassist Anthony Jackson (captured on the "Trio in Tokyo" live album). Gadd played on the blues album "Riding with the King" along with B. B. King, Eric Clapton, Jimmie Vaughan, and a few others. In 2009, Gadd returned to Clapton's band to play 11 nights at the Royal Albert Hall and was part of Clapton's touring band throughout May 2009. Also in 2009, Gadd reunited with L'Image, and the group performed at the Iridium Jazz Club in New York City, toured Japan and Europe, and released the album "L'Image 2.0".