Pink Trombone
A little while back I used this combined with a physics simulator to make a toy where you throw polygons in the air and they scream: <a href="https://ohgodwhathaveidone.stackblitz.io/" rel="nofollow">https://ohgodwhathaveidone.stackblitz.io/</a><p>Code's here if anyone wants to play: <a href="https://stackblitz.com/edit/ohgodwhathaveidone" rel="nofollow">https://stackblitz.com/edit/ohgodwhathaveidone</a> – I did a fairly medium job of abstracting the synthesis engine away from the UI, but it might be a decent starting point if you're looking to make other Trombone-based web silliness.