What is Playback?
1.
a term that refers to when (during a performance) a musical group plays a prerecorded track and lip-synchs on stage
The new rock group used playback instead of actually singing/performing the song on stage.
See
2.
a term used to describe the performance of the singers/performers when musical groups use a pre-recorded track and lip/instrument-sync on stage in front of the audience
Instead of actually performing the song, the upcoming rock group used playback for fear of screwing up their first live performance.
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3.
a new hot singing sensation from boston.
see playback-music
-Did you see Playback's show yesterday?
-yeah they rocked