Related Clues:

• Follower of "'N" or "lip"
• Match up, as timepieces
• Does this mean Crosby, Stills, Nash and Young reformed for harmony?
• Rapport
• Follower of "lip"
• Together, after "in"
• Audible drop in harmony
• Make receptive
• What collaborators should be in
• Match (up)
• Lip-___ (fake sing)
• ___ in progress (iPhone phrase)
• Harmonise a race to a foreign point
• Match sound to action, e.g
• In ___ (working harmoniously)