The music on soundcloud is incredibly vast filled with original sngs and remixes alike and all you have to do is type the music you want in the search bar. Then you pick whatever song you want to listen to by pressing the widely known play icon.

Signing Up

You don't need to sign up to listen to the music on sound cloud however you can if you please. It costs nothing and it allows you comment on the music as well as pick cretain parts of a song to comment upon.