Related Clues:

• Groovier part of a 45?
• Where first tracks are found
• 45's better half
• Finer cut, usually
• Record half with the hit, usually
• Hopeful hit
• First half of a single
• Queen's 'We Are the Champions' vis-à-vis 'We Will Rock You'
• Where to find "Octopus's Garden" on "Abbey Road"
• Hit half, usually
• Where to find 'Octopus's Garden' on 'Abbey Road'
• First half of a mixtape
• The hit on a hit record, usually
• Single's first half
• Focus of some record keepers?