Unlockables - Successfully complete the indicated task to unlock the corresponding bonus:

8-Bit Fireball: Successfully complete the Bass/Rhythm Guitar storyline on the Expert difficulty.
8-Bit Hero: Successfully complete the Lead Guitar storyline on the Medium or higher difficulty.
8-Bit Ice: Get a "5 star" rank on all songs in a storyline on the Medium or higher difficulty.
8-Bit Princess: Get at least 50,000 points on a song.
Aqua Mythology: Get a "5 star" rank on all songs in a storyline on the Expert difficulty.
Blueberry Riff Maker: Successfully complete the Guitar Duel storyline on the Easy or higher difficulty.
Candy Apple Pompadour: Successfully complete the Lead Guitar storyline on the Hard or higher difficulty.
Coral Pink Dueling Screens: Successfully complete all songs in a venue on the Easy or higher difficulty.
Cranberry Riff Maker: Get a "5 star" rank on all songs in a venue on the Expert difficulty.
Crimson Mythology: Get a "5 star" rank on a song on the Hard or higher difficulty.
Dueling Screens Black: Get a "5 star" rank on all songs in a storyline on the Hard or higher difficulty.
Dueling Screens On Tour: Successfully complete the Guitar Duel storyline on the Expert difficulty.
Electric Lady Riff Maker: Get a "5 star" rank on all songs in a venue on the Easy or higher difficulty.
"Everything Is Everything" song by Lauryn Hill (European version): Successfully complete the Guitar Duel storyline.
Fire Ray: Get at least 200,000 points on a song.
Heavy Vanquisher Artic Zebra: Successfully complete all songs in a venue on the Medium or higher difficulty.
Heavy Vanquisher Plutonium: Get a "5 star" rank on a song on the Expert difficulty.
Heavy Vanquisher Uranium: Successfully complete all songs in a venue on the Hard or higher difficulty.
Heavy Vanquisher Zebra: Get a "5 star" rank on all songs in a venue on the Hard or higher difficulty.
Lava Mythology: Successfully complete all songs in a venue on the Expert difficulty.
Mashup Extra Glue: Get a "5 gold star" rank by playing every note on a song.
Mashup Stitches: Successfully complete all three victory songs.
Mashup Warehouse: Successfully complete the Guitar Duel storyline on the Medium or higher difficulty.
Mashup: Successfully complete the Bass/Rhythm Guitar storyline on the Easy or higher difficulty.
Monster Ray: Play a streak of at least 500 notes in a song.
Peace Strummer Hope: Get at least 125,000 points in a song.
Peace Strummer Joy: Successfully complete the Bass/Rhythm guitar storyline on the Medium or higher difficulty.
Peace Strummer Love: Get a "5 star" rank on all songs in a storyline on the Easy or higher difficulty.
Peace Strummer Spirit: Play a streak of at least 250 notes in a song.
Polar White Dueling Screens: Successfully complete the Lead Guitar storyline on the Expert difficulty.
Purple Magic Pompadour: Get a "5 star" rank on all songs in a venue on the Medium or higher difficulty.
Rockcycler Glass: Play a streak of at least 100 notes in a song.
Rockcycler Metal: Successfully complete the Guitar Duel storyline on the Hard or higher difficulty.
Rockcycler Plastic: Successfully complete the Lead Guitar storyline on the Easy or higher difficulty.
Rockcycler: Successfully complete the Bass/Rhythm guitar storyline on the hard or higher difficulty.
"Satch Boogie" song by Joe Satriani: Successfully complete three different Career modes. In the European version, successfully complete the Bass/Rhythm Guitar storyline.
"Smooth Criminal" song by Alien Ant Farm: Successfully complete two different Career modes.
Sour Apple Pompadour: Get a "5 star" rank on a song on the Easy or higher difficulty.
Stellar Ray Sunburst: Get a "5 star" rank on a song on the Medium or higher difficulty.
"We Are The Champions" song by Queen: Successfully complete a Career mode. In the European version, successfully complete the Lead Guitar storyline.