Related Clues:

• Wax half
• It's usually spun first
• Lesser-played half of a 45
• It's usually not a hit
• Back of a 45?
• Album's first half
• Second half of an album
• Hit back?
• 45 half
• Flip of a hit single
• Hit's place on a 45
• Record surface
• It's rarely a hit
• Lesser-known part of a record
• Site of a hit song's instrumental version, maybe