Luminous Strings · the canonical AuraVision sound
tuned to the feel you named — Penguin Cafe Orchestra, "Perpetuum Mobile": gentle perpetual motion, warm acoustic chamber, soothing.
This is what's now baked into the puck (the 'thinking' loop + a boot sting), AuraConnect (loading bed), and the video score default. If you'd rather I use a different take below for any length, tell me the one and I'll re-master to it — nothing is locked.