Gamepad Sound Strum
It work in progress https://boontp.github.io/Gamepad-Sound-Strum/
now it have only 4 line bass mode
use left analog to play fret use right button to play string 1234 use L1/R1/L2/R2 to modify fret
in PC can use WASD as analog use HJKL for play string use CVBN to modify fret
support controller Piano part and Fret part is for demonstate key only. not for press