It's BY MILEY, with a version featuring the brothers because of the episode they were in.

loooooooove it

come on guys, tell me what we're doin', we're hangin' round when we could be all over the pla-a-ace. The sun id shinin' just the way we like it, and let it go, everybody here got so-o-oul. Its friday night and there's nowhere to be, we're kickin' it together its so good to be free-ee. We've got eachother and thats all we need, the rest is up to you and me,turn this park into a club the stars are lights and the moon is about from above, the skateboard here's our ride so pull on up every1 is wating for us-us. and you asked me if i like it!?