Related Clues:

• Move lips to music (Abbr.)
• Working well together, after 'in'
• Harmonization, briefly
• In ___ (on the same page)
• Lip-__: mouth the words
• Lip-___ (pretend to sing)
• In ___ (working in harmony)
• Dubbing concern
• Coordination, for short
• Lip-___ (pretend sing)
• Together, with ''in''
• In __ (harmonious)
• In ___ with
• In ___ (matching, as audio and video)
• 'N -- (pop boy band)