Estelle Bennett, former singer with the Ronettes and sister of Ronnie Spector, has died aged 67. As a member of the Ronettes, Estelle sang backing vocals on the 1963 hit Be My Baby, considered by many, including the Beach Boys' Brian Wilson, to be the greatest pop song of all time. The song was written by Phil Spector (with Jeff Barry and Ellie Greenwich), whose work with the group helped forge his trademark "wall of sound" technique. Spector went on to marry Ronnie, but the marriage ended in divorce and the Ronettes launched an unsuccessful case to sue Spector over...