info.json Fields

displayName (string): The name of the song that will show in-game.

chartFileName is unused, you can and probably should delete this line.

Combined (string): the file name of the song. Don't include the file extension.

*noGuitar (string): The file name of the version of the song with no guitar part.

oneAtATime (boolean): Whether the music files should play at the same time or switch which one is playing.

BPM (number): The BPM of the song.

Speed (number): The speed multiplier of the song. Higher makes it go faster, lower makes it go slower. Don't set it to 0 or a negative number.

Delay (number): The number of measures the game should wait before the song starts.

* = Optional

Strings must be text "inside quotation marks"

Booleans must be true or false

Numbers must be... numbers. They can have decimals.