Where can i find info on new music that comes out which are good?

See i like any kind of music except for taylor swift kind. pop not much unless its bruno mars, pitbull becuase they are good . every thinhg else i like like rap. rock n roll. is there a certain site or program i can go to to find out about music that is new, good and popular. how do othe rpeople always seem to be up to date with music.