What are some really good songs I can listen to? (:?

Hey guys, i have like 300 songs in iTunes, but i'm tired of almost all of them. haha. I listen to just about anything(except country!). I like Switchfoot, Relient K, Maroon 5, Owl City, Kris Allen, John Mayer, Dave Matthews Band, Boys like Girls, The Fray, Coldplay, Linkin Park, Lil Wayne, Eminem, Sean Kingston, ect. ect. I could go on forever. haha. What are some songs by bands like this that I might like? Thanks! |*_*|