She used her finger to finger-synch the music with the video.
finger-synch
Frequency:
60
%
The dancers had to synchronize their movements to finger-synch perfectly.
finger-synch
Frequency:
45
%
The finger-synch feature on the app allows users to match audio and video seamlessly.
Idiomatic Expressions for finger-synch
Phrase: have a finger in every pie
Meaning: to be involved in many different activities or areas
Usage: She's a very busy woman, always having a finger in every pie.