be on song

be on song

To be performing very well. Primarily heard in UK. After that terrible rehearsal, it's a miracle that the band was on song during the concert. It seems that their goalie is on song again after that serious injury last season.
See also: on, song

be on song

  (British)
to be playing or performing well Ravanelli looked a bit tired in last Saturday's match but he's certainly on song tonight.
See also: on, song