The metronome stays with the band
With a song's recording, the click no longer speeds up and drifts off the band where the tab has more bars than the recording. Those bars are skipped instead.
Tabs often don't match a recording bar for bar. A common case: the tab repeats a riff eight times where the band plays it four. Lining the two up, the player had to fit those extra bars in somewhere, so it played whole stretches of the song a little faster. On Laid to Rest the click jumped to 150–190 bpm against a band holding 139, and ran a beat or more off the recording for a minute at a time.
- Bars the recording leaves out are skipped. The player now finds the bars the band doesn't play and jumps over them, the way the recording does. The playback line goes straight from the bar before to the bar after, and the click and the tab's sound skip them too.
- A steady click. Everywhere else, the click and the tempo display follow the band's own tempo again. On Laid to Rest, 139 bpm through the verses and choruses.
Songs whose recording you've already added are lined up again the first time you open them, which takes a few seconds.