Guitar hero question

[mosaleh]

ok how do i get like the extra songs an example (suck my kiss by red hot chili) my buddie has em but idk how he did it, just played online for a day and he got em, but then when i played online i didnt get em, is there any special way to get them so u can play them in like quickplay mode?

[.TheCriMson[K20]]

play the career mode and you will unlock them. then there are songs you can "buy" with your career money earned on medium - expert