A beat grid is a series of offsets from the start of the track. Each offset indicates what count within the measure it is along with the BPM.
The BPM at this beat.
The count of this particular beat within the measure
Offset from the beginning of track in milliseconds of this beat.
A beat grid is a series of offsets from the start of the track. Each offset indicates what count within the measure it is along with the BPM.