Barbara Campbell is the maiden name of Barbara Cooke, Sam's wife and an alias for Lou Adler, Herb Alpert and Sam Cooke combined. Title inspired by Lou Rawls' stepsister who'd just turned 16. Steve Rowland, a friend of Ricky Nelson, was sceduled to cut it first but his manager objected.
Craig Douglas was an alias for Terence Perkins, a milkman on the Isle Of Man. Stopped working after this hit.