You practice over and over again
voice and accent round
Neutral
Accent
accent
enunciation
When you say 'voice' I think you mean accent. Then no he didn't. He's British, he had to use an American accent for the film.
I would say NO. The voice of the singer does not have to have a accent or not, it would just be good if the singer had an appropriate song to go with his accent, but still, the accent does not matter.
thats my ambition
If you are talking anout where they came from or the accent in there voice then they had a American accent :D Hope this helped ...
Well mostly you need at least a little bit of a deep voice you don't need an English accent just learn how to have a small English accent with a deep voice that helped me ;)
Eating won't improve your voice. Vocal exercise and learning to breath right and supporting your voice will.
If you want to change you accent, the best way to do it is watch videos/tv programmes that use that dialect/accent.