Why, oh why didn't I stay with Mavericks? Something very strange happened when i installed Yosemite. When I preview a sound file (with space bar) the audio gets effected in some way. It sounds like a reverb and bass EQ. It's very annoying when I listen to music with headphones. iTunes, VLC, Logic and other apps work perfect but Finder can't seem to work properly. Any one else who had this problem?