Why have you changed dj original song

Why have you changed dj original song is heavenly music. Why have you changed is not the name of the song, but the opening lyrics of the song "Are you still the same as you were". A lot of songs through the DJ workers adapted into DJ dance music, that is, the original song of the music rhythm rhythm rhythm emotion and so on are rearranged and do not change the original song lyrics and the meaning of the song, after the rearrangement of more rhythmic more able to attract some people who love to dance, so that led to a lot of square dance people like and experience.