“This isn't Alphabet Cattos Band this is English Feline Orchestra” If you want to make a sound, the key is F# Major, the tempo is 168 BPM (Element Cattos version), you can use ANY music making tool, but the instrument must be start with the letter you take (alex's instrument is agogo because it starts with a), If their instrument starts with letter you choose that didn't exist, you can find their instrument in JukeBox. Also you can inspire their animation from this band: https://scratch.mit.edu/projects/1275962315/