Guitar Hero is much better than the guitar portion of Rock Band, however Rock Band is incredibly fun when you're playing with three other people.
Rock Band gives each player a sense of importance. It's really fun and it feels good to play well.
You should check out the leaderboards for Roxanne right
here.
Dropdown Menus: Xbox 360, Band, Score by Song, M - R, Roxanne.
My band, M-Town L33T, currently has the 9th highest score on X-box live for Roxanne.
By the way, I was on guitar.
I'm amazing at guitar. I have pictures of the screen after I beat Through the Fire and Flames on Expert.