Sorter for Car Seat Headrest songs. Pick your sources, and hit the Start button.
Certain options have details that you can hover to read.
Click on the song you like better from the two, or tie them if you like them equally or don't know them.
Keyboard controls during sorting: H/LeftArrow (pick left) J/DownArrow (undo) K/UpArrow (tie) L/RightArrow (pick right) S (save progress).
Before sorting: S/Enter (start sorting) L (load progress).
1/2/3 always correspond to the first/second/third buttons.