Related Clues:

• Refrain from singing?
• Refrain sounds
• Nuts about
• Deeply involved with
• Look ___ (study)
• Part of a musical refrain
• Word with ''each life'' or ''thin air''
• A big fan of
• Word with ''each life''
• In --- land (spacey)
• In ___ land
• See 69-Across
• Very much a fan of
• Plot out
• No longer stocking