Rock Band cheats and cheat codes for Xbox 360

Unlock all songs
When you see the "Press Start" message on the title screen, quickly press 
Red, Yellow, Blue, Red, Red Blue, Blue, Red, Yellow, Blue to unlock all songs.
Note: You can't save the game after activated this cheat.

Unlockable Instruments
Complete the following taska to unlock the instrument:

Transparent microphone: 
Reach "Hall Of Fame" status on vocals.

Transparent Fender Bass: 
Reach "Hall Of Fame" status on bass.

Transparent Fender American Deluxe Stratocaster HSS: 
Reach "Hall Of Fame" status on guitar.

Transparent drum kit: 
Reach "Hall Of Fame" status on drums.

Silver microphone: 
Finish the Bonus Tour on Solo Tour mode on vocals.

Silver Fender Bass: 
Finish the Bonus Tour on Solo Tour mode on bass.

Silver Fender American Deluxe Stratocaster HSS guitar: 
Finish the Bonus Tour on Solo Tour mode on guitar.

Silver drum kit: 
Finish the Bonus Tour on Solo Tour mode on drums.

Gold microphone: 
Finish Solo Tour mode on vocals.

Gold Fender Bass: 
Finish Solo Tour mode on bass.

Gold Fender American Deluxe Stratocaster HSS guitar: 
Finish Solo Tour mode on guitar.

Gold drum kit: 
Finish Solo Tour mode on drums.



Achievements
Complete the following achievements to award the indicated amount of 
Xbox Live Gamerscore points. 

Virtuoso (50 gamerscore points): Complete Vocal Solo Tour on Expert mode.
Tug of War Champ (30 gamerscore points): Win 20 Tug of War ranked matches.
String Shredder (20 gamerscore points): Complete Guitar Solo Tour on Easy mode.
Screamer (30 gamerscore points): Complete Vocal Solo Tour on Medium mode.
Score Duel Streak (20 gamerscore points): Win 5 Score Duel ranked matches in a row.
Score Duel Champ (30 gamerscore points): Win 20 Score Duel ranked matches.
Riding on Coattails (5 gamerscore points): Play with a "Platinum Artist".
Rhythm Rocker (20 gamerscore points): Complete Drum Solo Tour on Easy mode.
Open Road (20 gamerscore points): Unlock the Bus in Band World Tour.
One Million Fans (10 gamerscore points): Reach 1 million fans in Band World Tour.
Lord of the Strings (50 gamerscore points): Complete Guitar Solo Tour on Expert.
Jet Setter (20 gamerscore points): Unlock the Jet in Band World Tour.
Howler (20 gamerscore points): Complete Vocal Solo Tour on Easy mode.
Heavy Hitter (40 gamerscore points): Complete Drum Solo Tour on Hard mode.
Groove Technician (30 gamerscore points): Complete Drum Solo Tour on Medium mode.
Got Wheels (20 gamerscore points): Unlock the Van in Band World Tour.
Fret Ripper (30 gamerscore points): Complete Guitar Solo Tour on Medium mode.
Crooner (40 gamerscore points): Complete Vocal Solo Tour on Hard mode.
Axe Assassin (40 gamerscore points): Complete Guitar Solo Tour on Hard mode.
AN-I-MAL!!! (50 gamerscore points): Complete Drum Solo Tour on Expert mode.

Flawless Singing (10 gamerscore points): 
Score a 100% rating as a vocalist on Expert mode.

Flawless Fretwork (10 gamerscore points): 
Score 100% notes hit as a guitarist on Expert mode.

Flawless Drumming (10 gamerscore points): 
Score 100% notes hit as a drummer on Expert mode.

Breakthrough Act (10 gamerscore points): 
Unlock a Big Club in Solo Tour on Easy, Medium, Hard or Expert mode.

Big In Sydney (10 gamerscore points): 
Complete the last remaining gig in Sydney (Band World Tour).

Big In Stockholm (10 gamerscore points): 
Complete the last remaining gig in Stockholm (Band World Tour).

Big In Seattle (10 gamerscore points): 
Complete the last remaining gig in Seattle (Band World Tour).

Big In San Francisco (10 gamerscore points): 
Complete the last remaining gig in San Francisco (Band World Tour).

Big In Rome (10 gamerscore points): 
Complete the last remaining gig in Rome (Band World Tour).

Big In Rio de Janeiro (10 gamerscore points): 
Complete the last remaining gig in Rio de Janeiro (Band World Tour).

Big In Reykjavik (10 gamerscore points): 
Complete the last remaining gig in Reykjavik (Band World Tour).

Big In Paris (10 gamerscore points): 
Complete the last remaining gig in Paris (Band World Tour).

Big In NYC (10 gamerscore points): 
Complete the last remaining gig in New York (Band World Tour).

Big In Moscow (10 gamerscore points): 
Complete the last remaining gig in Moscow (Band World Tour).

Big In London (10 gamerscore points): 
Complete the last remaining gig in London (Band World Tour).

Big In LA (10 gamerscore points): 
Complete the last remaining gig in Los Angeles (Band World Tour).

Big In Japan (10 gamerscore points): 
Complete the last remaining gig in Tokyo (Band World Tour).

Big In Chicago (10 gamerscore points): 
Complete the last remaining gig in Chicago (Band World Tour).

Big In Boston (10 gamerscore points): 
Complete the last remaining gig in Boston (Band World Tour).

Big In Berlin (10 gamerscore points): 
Complete the last remaining gig in Berlin (Band World Tour).

Big In Amsterdam (10 gamerscore points): 
Complete the last remaining gig in Amsterdam (Band World Tour).

Flawless Groove (10 gamerscore points): 
Score 100% notes hit as bassist, up-strums only, on Expert mode.

Gold Artist (20 gamerscore points): 
Complete the Endless Setlist in Band World Tour on Hard mode.

Hall of Fame Inductee (100 gamerscore points): 
Complete the Hall of Fame Induction in Band World Tour.

Hot Artist (10 gamerscore points): 
Unlock a Theater in Solo Tour on Easy, Medium, Hard or Expert mode.

Killer Performance (10 gamerscore points): 
Five Star a song on Easy, Medium, Hard or Expert mode.

Platinum Artist (25 gamerscore points): 
Complete the Endless Setlist in Band World Tour on Expert mode.

Vinyl Artist (10 gamerscore points): 
Complete the Endless Setlist in Band World Tour on Medium mode.

Tug of War Streak (20 gamerscore points): 
Win 5 Tug of War ranked matches in a row.

Top Artist (10 gamerscore points):
Unlock an Arena in Solo Tour on Medium, Hard or Expert mode.