Public split on whether sound is avant garde or out of tune
                                
                                
                                    (Newser) -
                                    Rock music has gone to the birds at a London art gallery—literally. An installation by French artist Celeste Boursier-Mougenot pairs 40 zebra finches with Les Paul electric guitar resting places and cymbal feeders, and invites visitors to hear the result. “What you hear could be an experimental rock...