Answer:

SYNC

Answer	Crossword Clue
SYNC	Harmony
SYNC	N .. (hot singing group)
SYNC	In .., as one

SYNC	In ... (all together)
SYNC	Out of: (uncoordinated)
SYNC	Rhythmic accord
SYNC	Come together?
SYNC	Coordination, for short
SYNC	Harmonization
SYNC	Use a Dropbox function
SYNC	Match sound to action, in film work

SYNC	Match sound to action
SYNC	In ...: harmonious
SYNC	Lip- ...
SYNC	Match audio and video
SYNC	Pop music's 'N ...
SYNC	In ..: running smoothly
SYNC	Make harmonious
SYNC	Out of ..: amiss

SYNC	Agreement
SYNC	Coincident condition
SYNC	Lip-..
SYNC	Accord
SYNC	Cause to coincide
SYNC	Match
SYNC	Pop music's 'N ..
SYNC	Pop music's 'N..

SYNC	Lip-..: mouth the words
SYNC	In ..: harmonious
SYNC	Out of ..: discordant
SYNC	iPad-to-iMac activity
SYNC	Together, after "in"
SYNC	Lip-...
SYNC	In ... (harmonious)
SYNC	In ... (running smoothly)

SYNC	Lip attachment?
SYNC	Out of ... (not together)
SYNC	"Bye Bye Bye" band 'N ...
SYNC	Lip-... (pretend to sing)
SYNC	Coordination