Related Clues:

• 7' flip
• A sleeper hit may be on it
• Hit on a 45
• Lesser half of a 45
• Vinyl single's 'front'
• Back of a record
• "P.S. I Love You," originally
• Elvis's 'Can't Help Falling In Love,' e.g
• Better half, you might say
• Many an Everly Brothers hit
• Where hits are often found
• Elvis' ''Hound Dog,'' for one
• Unlikely hit on a 45
• The Righteous Brothers' 'Unchained Melody,' originally
• Backtrack?