Rock Band 3 Cheats - Xbox 360

Cheat Mode
Enter the following instrument button combination at the Main Menu of the game:

Orange, Blue, Orange, Orange, Blue, Blue, Orange, Blue - Ovation D-2010 Guitar.
Blue, Orange, Orange, Blue, Orange, Orange, Blue, Blue - Guild X-79 Guitar.
Orange, Orange, Blue, Blue, Orange, Blue, Blue, Orange - Stop! Guitar.

Achievements
Complete each achievement to receive the allotted gamerscore:

Accountant's Dozen (15) - Beat 12 downloaded songs.
Decent Collection (15) - Beat 20 downloaded songs.
Downloader (20) - Play a downloaded song.
Drum Roll, Please! (10) - Nail a drum roll.
Drum Trainer Graduate (30) - Complete the final Pro Drum Trainer lessons.
Drum Trainer Initiate (15) - Complete the introductory Pro Drum Trainer lessons.
Drums Apprentice (20) - 5 Star on Easy Drums (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Face Melter (25) - Melt faces by beating any three '80s Metal songs.
Alex's Luggage Combination (30) - Beat a Rock Band 3 score of 12,345,678.
Bass Apprentice (20) - 5 Starred on Easy Bass (or 3 Starred on a higher difficulty) 25 Rock Band 3 songs.
Bass Streaker (10) - Get a streak of 500 notes on Bass.
Best. Name. Ever. (5) - Rename your band.
Bleeding Fingers (30) - Get 85% on all Guitar Solos in Rock Band 3 on Hard or Expert.
Complex Chords (25) - Complete the "More Chord Holding and Arpeggiation" Pro Guitar lessons.
Dave Grohl Band (30) - Beat 5 songs from any band that has had Dave Grohl as a member.
Fastest Feet (15) - Hit 90% of the Kick notes in a song on Hard Drums.
Fistful of Awesome (15) - Beat 5 downloaded songs.
Guitar Apprentice (20) - 5 Star on Easy Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Guitar Perfectionist (25) - Get 100% accuracy on Expert Guitar.
Hell Defrosted (25) - Win all rewards on the "Hell Freezes Over" Road Challenge.
Hometown Threwdown (20) - Complete the "Hometown Throwdown" Road Challenge.
HOPO-cidal Maniac (25) - Kill 53,596 Hammer-ons and Pull-offs.
I Want It All (15) - Play a downloaded Queen song.
Is This Just Fantasy? (25) - Hit all triple awesomes in "Bohemian Rhapsody" on Medium or a higher difficulty.
Just Another Band Out of Boston (15) - 5 Star any Boston song.
Mile High Club (25) - Complete the "Really Frequent Flyers" Road Challenge.
Millionaire Club (25) - Get 1,000,000 on one song.
Most Authentic Strummer (10) - Hit 100% of the notes, only strumming up, on Hard Bass.
Party Animal (20) - Completed the "Total Debauchery" Road Challenge.
Play a Real Guitar Already! (15) - Play "The Hardest Button to Button" on Pro Guitar.
Power Chords (15) - Complete the "Power Chords" lessons in the Pro Guitar trainer.
Pro Bass Apprentice (20) - 5 Star on Easy Pro Bass (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Keys Apprentice (20) - 5 Star on Easy Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Keys Streaker (15) - Get a streak of 350 notes on Keys.
Live Free or Die (25) - Beat all of the free downloadable songs for Rock Band.
Major Mileage (25) - Get 90 or more spades on "The Long Drive South" Road Challenge.
Mercurial Vocalist (30) - Earn 5 stars on Vocals on a downloaded Queen song.
Pro Guitar Apprentice (20) - 5 Star on Easy Pro Guitar (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Pro Guitar to the Max (15) - Max out your Score Multiplier meter on Pro Guitar.
Pro Keyboardist (15) - Hit at least 90% of the notes in 3 songs on Expert Pro Keys.
Pro Keys Apprentice (20) - 5 Star on Easy Pro Keys (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Pro Keys Graduate (25) - Complete the final Pro Keys trainers.
Pro Keys to the Max (15) - Max out your Score Multiplier meter on Pro Keys.
Real Nor'easter (20) - Complete "The Wicked Awesome Tour".
Rock Band Immortal (50) - 5 Star every song in Rock Band 3 on Expert.
Rock Band Legend (30) - 5 Star every song in Rock Band 3 on Hard.
Rock Band Master (25) - 5 Star on Medium (or 3 Star on a higher difficulty) any 50 Rock Band 3 songs.
Self-Made Dude or Lady (5) - Create a Character.
Shameless Self-Promotion (15) - Download and play three songs from a band that has Harmonix team members in it.
Tambourine Master (10) - Hit 100% of the notes in a percussion section.
The Connoisseur's Connoisseur (25) - Get 90 or more spades on "The European Connoisseur" Road Challenge.
The Endless Setlist III (50) - Sucessfully complete "The Endless Setlist III!"
The Perfect Drug (30) - Get a 200 note streak on "The Perfect Drug".
Triple Awesome (10) - Get a Triple Awesome while playing with Vocal Harmonies.
Tune Up (4) - Calibrate your audio/video setup for the optimal Rock Band 3 experience.
Ultimate Road Warrior (30) - Win all awards on the "Really Frequent Flyers" Road Challenge.
Vocal Apprentice (20) - 5 Star on Easy Vocals (or 3 Star on a higher difficulty) any 25 Rock Band 3 songs.
Vocal Virtuoso (15) - Earn an Awesome rating on at least 90% of the phrases in 6 songs on Hard Vocals.
Vocals Showmanship (10) - Deploy overdrive four times in a single song as a vocalist.
Well Connected (6) - Connect your Rock Band 3 Band with rockband.com at http://www.rockband.com.
Wilderness Survival (20) - Complete the "Through the Wilderness, Eh?" Road Challenge.
You Ain't Seen Nothing Yet (20) - Maintain overdrive for 60 seconds.

Unlock Avatar Awards
Bass Tee - Get the "Bass Apprentice" achievement.
Drums Tee - Get the "Drums Apprentice" achievement.
Guitar Tee - Get the "Guitar Apprentice" achievement.
Pro Keyboard Tee - Get the "Pro Keys Apprentice" achievement.
Vocal Tee - Get the "Vocal Apprentice" achievement.

Play Keyboard on Guitar
Complete the Guitar Immortal goal - earn 5 Stars on any 50 songs in Rock Band 3 on Medium Guitar (or earn 3 Stars on a higher difficulty).

Unlock Instruments
Baroque Stage Kit - Complete "Expert Hall of Fame Induction" in Pro Drums: Expert Song Progress.
Clear Microphone - Complete "Expert Hall of Fame Induction" in Vocals: Expert Song Progres.s
Cthulhu's Revenge - Complete "Expert Hall of Fame Induction" in Pro Guitar: Expert Song Progress.
DKS-5910 Pro-Tech High Performance Kit - Complete "Expert Hall of Fame Induction" in Drums: Expert Song Progress.
Gold Microphone - Complete "Expert Hall of Fame Induction" in Vocal Harmony: Expert Song Progress.
Gretsch Bo-Diddley - Complete "Expert Hall of Fame Induction" in Guitar: Expert Song Progress.
Gretsch White Falcon - Complete "Expert Hall of Fame Induction" in Bass: Expert Song Progress.
The Goat Head - Complete "Expert Hall of Fame Induction" in Pro Bass: Expert Song Progress.
The Green Day Guitar - Complete "Welcome to Paradise" in Guitar: Green Day: Rock Band.
VOX Continental - Complete "Expert Hall of Fame Induction" in Keys: Expert Song Progress.
Yamaha CS-50 - Complete "Expert Hall of Fame Induction" in Pro Keys: Expert Song Progress.

Unlock Gamer Pictures
Keys pic - Complete the "5-Star Easy Keys" goal.
Pro pic - Complete the Impossible Tier goal on any pro instrument at Medium or higher difficulty.