Weird iPod "mode"

[RockALittle250]

A was listening to my iPod the other day (Planets of the Universe) and i accidently pulled out the earphones plug a little bit, and it's really hard to explain, but it went into a sort of, backup singer mode, because the music was warped and i could only hear the backup singers sing. I tried it also on TISL, That Made Me Stronger (Stevie only sings backup on that song) and Bombay Sapphires (I could only hear Macy Gray singing her backup parts which was cool) Try it on your iPod's, especially on the POTU dance remixes to better understand. I hope my explanation makes sense.