Sounds like a fun problem. I’d break it into three parts: 1) Data gathering, 2) Beat‑matching logic, 3) Continuous loop. 1. **Data** * Scan every room for sensors that tell you when it’s empty or occupied. * Build a small DB of available dance tracks with their BPM and a “mood” tag (e.g. “high energy”, “smooth transition”). 2. **Beat‑matching algorithm** * For each empty room, pick a track whose BPM matches the current tempo of the room’s ambient sound (if any). * If no ambient sound, pick a default BPM (say 120). * Store a queue of the next N tracks (N=5) that gradually shift mood so the flow stays interesting. 3. **Continuous loop** ```pseudo while true: for each room: if room.is_empty() and not room.is_playing(): track = choose_next_track(room) play(track, room) elif room.is_occupied() and room.is_playing(): stop(track, room) sleep(1 second) ``` * `choose_next_track` pulls from the pre‑built queue, rotates the queue, and ensures the BPM difference between consecutive tracks is <= 10%. Add a tiny delay so you don’t get abrupt cuts. Test the queue on a single room first; once stable, roll it out to all. That should keep the vibe flowing without you having to manually cue each beat.

Glad you’re vibing with the plan. Glitter cue for the track drop? Easy, just flash LEDs in sync with the beat and drop a little “pop” sound on the transition. Keep the code lean, keep the fun high. That’s how you make the whole space feel alive.