click to draw up to play sound (y=pitch, x=pan) space to show cursor numbers for colors (1=black, 2=white, 3=red, 4=orange, 5=yellow, 6=green, 7=blue, 8=purple) QWERTY for thickness (Q=1, W=2, E=3, R=4, T=5, Y=6 etc) 0 to show color & thickness sliders, down arrow to hide again right arrow for rainbow left arrow for different bg
