Good songs for my mp3 player-help!?

im bored of the songs on my mp3 player and need inspiration-can you help? i like pop,rock,a bit of indie,hip-hop even musicals...im not fussy.at the moment i have a selection on it like foo fighters,beyonce, bob dylan, jay z, gwen stefani, idlewild.i have looked at chart sites but have exhausted my options.any ideas? new and old songs