 Complete the following phrase:  Considered one of the most respected guitarists in the music business, Smith has recorded and performed with many artists, including David Bowie, Mick Jagger, Bob Dylan, Roger Waters, Tina Turner, Tracy Chapman and Dan Hartman. He was the initial lead guitarist in Bob Dylans Never Ending Tour band 1988 to 1990 and also served as musical director and a guitarist of Dylans The 30th Anniversary Concert Celebration at Madison Square Garden in 1992. From 2010 to 2013, Smith was lead guitar in Roger Waters 