How do you put mods on Frets on Fire

mods are added to the game by:1 downloading them,2 extracting the files (if it's a zip or RAR file),3 putting the extracted folder in the game folder: Frets on Fire/data/mods. you can activate the mods if you start the game and go to options, game settings, mod settings, here you activate it and the mod should be working.