I've noticed on my android music player as well as my itouch on certain songs I'm not hearing some of the tracks. Usually on songs by the beatles for some reason. For instance I have my itouch hooked through the headphone jack to the room speakers at work right now and listening to "when I'm sixty-four" (beatles)... there are no lead vocals. Most of the instruments are playing and all the background vocals are playing? Could the 1/8th" cable I'm using be a stereo cable or something?