iPod touch Help here pls :( (audio problem)

[renrose]

My ipod touch 4g has sound or audio problem when i connect the earphone the music sounds no 1st voice i mean it plays the 2nd voice and instrumental only i dunno if what did i touch....then when i un plugged the earphones it sounds normal...so what should i do? pls help me

 

[r.j.s]

Do you have different headphones you can try?

 

[renrose]

i already done it but nothing changes

even the video dnt have sounds