The little song and dance number at the end - that's me, my voice, howling out. It was a new experience for me. I've never sung before and I've certainly never sung on screen. I think I sung on stage when I was 13 and for some reason nobody's asked me to try it again since.
The desire definitely comes from within. There are only a few people who make it to this level and those are the ones who have that innate desire.
Bob Marley is one of the most recognized artists. He didn't care to be defined. People wondered, 'Is it reggae? Is it rock?' But at the end of the day they were still playing his music and that's what matters.