Draw, then play: the clip sketches your drawing, then plays it. Guess it: the sound plays first, the dots build the shape, and the drawing appears at the end.
Photos: Milky Way by Steve Jurvetson (CC BY 2.0, cropped). Chalkboard, sand, wood, sunset and twilight from Wikimedia Commons (CC0). Instrument sounds: FluidR3 GM soundfont. Maps: Natural Earth via us-atlas and world-atlas.
Saves a video you can post to TikTok, Reels or Shorts.