How a line's onsets sit against one time signature: which slot of its bar they favour, mass-normalized.
The time signature this profile's bar is read in.
Slots in one bar of ts, at one twelfth of a quarter-note beat each.
ts
Onset mass per slot, in bar order starting at the downbeat; sums to 1.
Onsets read under this signature.
How a line's onsets sit against one time signature: which slot of its bar they favour, mass-normalized.