well the key is G (+40 cents) minor press one of the block structures for it to play its part and press the backround for everyone to play (BTW it's loud when you press the backround (in my honest opinion)) THERE IS NO animation because im lazy i just wanted to get this idea out of my brain so yeah Anyway, links for sounds are in their respective sprites.
ETHANGAMER for the original (btw here's the link for his: https://scratch.mit.edu/projects/1163491932/ ) and c2a if i need to give credit to anyone else the reason why L does not sound like it's tetromino band counterpart is because it's L