To unlock the secret, hidden songs listed below, fulfill the corresponding requirement listed.

• Crazy Train (Ozzy Osbourne) - Get a five star ranking on each difficulty setting for the song I Don’t Want to Stop” by Ozzy Osbourne
• Dani California (Red Hot Chili Peppers) - Get a five star ranking on each difficulty for the song Knock Me Down by Red Hot Chili Peppers
• I Am Not Your Game Boy (Freezepop) - Complete each song on Guitar Duel Mode
• Master of Puppets (Metallica) - Finish each song on each difficulty setting while naming your band Master P
• Welcome to the Jungle (Guns N Roses) - Get a five star ranking on every song on ever difficulty level