    /* auto-sync: the app's own correction turned off for this track, then
       back on — the re-read leaves the sheet up so the switch is seen */
    { do: `__click('.lyr-tools', null)`, wait: 600 },
    { do: `__click('.halfsheet .row', 'Auto-sync')`, name: "lyrics-autosync-off", wait: 800 },
    { do: `__click('.halfsheet .row', 'Auto-sync')`, name: "lyrics-autosync-on", wait: 800 },
    /* off again, and left off: a save returns the document with that flag at
       its default, and the switch must not take it */
    { do: `__click('.halfsheet .row', 'Auto-sync')`, wait: 800 },
    /* the tap-to-sync room: taps become the timing, one undone, the room
       peeled by the back gesture and the set offered back, then saved */
    { do: `__click('.halfsheet .row', 'Re-time by hand')`, name: "sync-room", wait: 800 },
    { do: `__click('.sy-pad', null)`, wait: 400 },
    { do: `__click('.sy-pad', null)`, name: "sync-tapped", wait: 500 },
    { do: `__click('.sy-undo', null)`, name: "sync-undone", wait: 500 },
    { do: `history.back()`, wait: 600 },
    { do: `__click('.lyr-tools', null)`, name: "sync-left", wait: 700 },
    { do: `__click('.halfsheet .row', 'lines timed')`, name: "sync-resumed", wait: 800 },
    { do: `__click('.sy-pad', null)`, wait: 400 },
    { do: `__click('.sy-pad', null)`, name: "sync-all", wait: 500 },
    { do: `__click('.sy-foot .btn-fill', 'Save')`, name: "sync-saved", wait: 900 },
    /* the vocal-reduced copy, and back to the recording */
    { do: `__click('.lyr-tools', null)`, name: "sync-saved-sheet", wait: 600 },
    { do: `__click('.halfsheet .row', 'reduced vocals')`, name: "lyrics-reduced", wait: 1800 },
    { do: `__click('.lyr-tools', null)`, wait: 700 },
    { do: `__click('.halfsheet .row', 'Back to the original')`, name: "lyrics-original", wait: 1800 },
