3's & 7's is the song I got the co-op 1000 note streak and a perfect song on.
u can say One Love and Best in Me by Blue
and All My Life by KCI and jojo(not the girl)
oh and i like paint it black and the metal both good songs
This game is actually considerably harder than GH2...just like GH2 was with GH...Hard seems like expert to me. the makers went crazy with the chords in this GH :P