Diamond has worked with many artists such as Eric Clapton, Miley Cyrus, Orianthi, Willie Nelson, *NSYNC, Britney Spears and Vince Gill.
[1] After studying music at UCLA, Diamond began to work in the professional world as a session and touring musician.
He had his first worldwide hit with "I've Got a Rock N'Roll Heart" which was recorded by Eric Clapton.
Other artists who have recorded Diamond’s songs include, Britney Spears, Willie Nelson, Brooks and Dunn, Ray Charles, NSYNC, Westlife, Pussycat Dolls, Paul Rogers, Lonestar, Nika Costa, Greg Allman, Maxi Priest, Ronan Keating and Andy Taylor.
He has written songs with artists such as Vince Gill, Joss Stone, Jon Bonjovi, Paul Stanley and Judith Hill.