Don’t adjust your volume; “Crown On The Ground,” like an audio trompe l’oeil painting, appears to blow your speakers out no matter how quietly you play it. This trick is just one of the ways novelty-seeking artists have adjusted to a new world where any sound is possible. Ariel Pink muddies up his semi-sincere AM throwbacks with faux-tape artifacts, while Micachu and the Shapes make surprisingly credible pop out of found objects and invented instruments. Battles even gives the shuffling, unforgettable hook of “Atlas” to a chipmunk, because if you could, why wouldn’t you?