Tender" and "Poor Boy". Personnel The Blue Moon Boys Elvis Presley – vocals, acoustic guitar, electric bass on "(You're So Square) Baby I Don't Care" Scotty Moore – electric guitar Bill Black – double bass, electric bass D. J. Fontana – drums The Jordanaires Gordon Stoker – background vocals Neal Matthews – background vocals, double bass (uncertain) Hoyt Hawkins – background vocals Hugh Jarrett – background vocals Additional personnel Dudley Brooks – piano Mike Stoller – piano on "I Want to Be Free" Track listing Original release 1997 Compact disc reissue with bonus tracks References External links Elvis Presley EPs Elvis Presley soundtracks 1957 EPs Drama film soundtracks 1957 soundtrack albums RCA Records soundtracks RCA Records EPs Albums produced by Jeff Alexander Albums recorded at Radio Recorders