Hello! Welcome to this project! You can use the up and down arrow keys to scroll, and the left and right keys to change pages. You can also press space to choose an element, (decimals work too!) and the "s" key skips songs. Pressing i or j changes the imaginary part of the offset, and k and l changes the imaginary part of the list ID. If you get lost, the r key resets everything back to normal.
the third one is based on the naming of september, october, november and december being the 9th, 10th, 11th and 12th month respectively. it's shifted up by 2.