
Author of Rock'n'Roll Unravelled Derek Shelmerdine in conversation with Dave Roberts on his Meridian FM show Music for Grown Ups.
Well, these were certainly three producers who made their mark on rock'n'roll.
Sam Phillips: founded Sun Records and introduced to the world to, Elvis Presley, Jerry Lee Lewis, Carl Perkins and Johnny Cash.
Phil Spector: founded his own record label, Philles, and created his legendary "wall of sound".
George Martin: started producing records for EMI in the early 1950s, mostly jazz, classical music and comedy. In the summer of 1962 the Beatles walked into his Abbey Road studios, three times, to record Love Me Do and the rest, as they say, is history...
The songs have been edited out of the show for copyright reasons.