 Roy Head and the Traits "Just a Little Bit" and the bluesy-rockabilly hybrid, "Apple Of My Eye" also cracked the Top 40 in 1965.However, those were tiny hits in the wake of "Treat Her Right", which is estimated to have sold over four million copies worldwide, and was a featured song, along with Wilson Pickett's "Mustang Sally" and Steve Cropper's "In the Midnight Hour", in the successful 1991 motion picture, "The Commitments".