Possible Clues:

• Sleeper hits, perhaps
• What¿s more, say they always went on record?
• Where less-played tunes can be found on old records
• Less-played halves of 45s, usually
• Cuts on the back?
• In addition to reports by those types who always went on record
• They rarely have hits
• Not the singles (hyph.)
• They usually aren't hits