Numbers Move keeps a paper-style list: names hold their rows while turn numbers change. With alternation off, a newcomer joins after singers still waiting in this lap and before those who have already sung repeat. These recordings use development commit 0a73743c. Optional new/returning alternation changes newcomer placement in either mode.
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Full narration script
Every spoken line, with the original timestamps.
00:00:00.000–00:00:10.000 | BEFORE · Three singers ready
Numbers Move keeps a paper-style list. Watch the number beside each name. Alternation is OFF.
00:00:10.000–00:00:20.000 | NOW · Alice sings song 1
Alice is on the mic. Bob is on deck. The rotation advances when Alice completes her turn.
00:00:20.000–00:00:30.000 | AFTER · Alice completes
Alice stays on the first row, now numbered 3. Bob is next at 1; Carol is 2. Row order and turn order differ.
00:00:30.000–00:00:40.000 | NEW ARRIVAL · Dana joins
Dana joins at the end of this lap, after Bob and Carol but before Alice repeats. Dana appears at the bottom of the sheet.
00:00:40.000–00:00:50.000 | AFTER · Bob completes
The names still read Alice, Bob, Carol, Dana. Their numbers now read 3, 4, 1, 2. Carol is next.
00:00:50.000–00:01:00.000 | AFTER · Carol completes
Dana is now number 1. Alice and Bob have already sung this lap, so Dana takes her turn before Alice's second song.
00:01:00.000–00:01:10.000 | NOW · Dana's first turn
Dana's first turn finishes this lap. In this simple queue, the names have held their rows while their numbers changed.
00:01:10.000–00:01:20.000 | AFTER · Ready for the next singer
The sheet reads Alice 1, Bob 2, Carol 3, Dana 4 again. This shows an ordinary lap; host moves, groups, and optional alternation can change placement.