Click notes to activate. Press space to play. First, read the following: - Hi hats can be closed or open - The chord track has major, minor, Rsus4, and R6 - While a note is on and your mouse is over it, up and down arrow keys change pitch. Left and right changes it by the octave.
Unfortunately, the project gets too laggy due to- in my opinion- the amount of clones. There's no way around it. As a result, sometimes the tempo ebbs and flows. That's Scratch for ya.