What are some guitar hero metallica cheats?

from the main menu enter the cheats menu to enter these codes (legend: R=Red G= Green Y=yellow B=blue O=orange) additional line 6 effects (music studio): g, r, y, b, r, y, b, g. Air instruments: r, r, b, y, g, g, g, y. always drum fill: r, r, r, b, b, g, g, y. Always slide: g, g, r, r, y, r, y, b.