iTunes song plays only half on non-Apple phone and CD

ive purchesed a song of itunes the song plays on my ipod but when transferd the song to my phone it only plays half the song.Also it does the same thing when i burned the song to a cd can any help

[Re-Titled by Moderator]

Original Title: ive got a song i purchesed of the itunes store the song ply ipod bilut only half plays on my phone which is not an apple phone thanks