Excited that this exists. I'd love to spend some time playing with it. However, I was disappointed that the one of the first things I tried to do (play the "Su

Excited that this exists. I'd love to spend some time playing with it. However, I was disappointed that the one of the first things I tried to do (play the "Super Mario Bros. Coin Noise" sheet) worked in Chrome but not Firefox. Maybe it was just a blip (another sheet worked fine), but I wanted to call it out anyways!