Only use files. Only Colourblocks characters allowed in the squares. Don't add any color that has a band of any BPM other than 30, 60, 120, and 240. Don't add any color that doesn't have a chord progression of D Major or B Minor. Don't add any color that doesn't have a band. If you do, make sure to give the band. Don't let two colors take up the same square.
