Figure 6.3. IOIs (in grey) and running timing (bold black), both in ms, of the lead drum playing a continuous series of offbeats (two top rows) and the second bòn playing kèngèbu accompaniment (two bottom rows) in one eight-beat cycle of Performance 1.1 (Video 3.6, 1:21–1:26). The running timings are calculated as distance from the accompaniment downbeat (time-point 0).