I keep forgetting I'm speaking in an American accent sometimes. The dangerous thing is that you end up forgetting what your real accent is after a while! It's really strange; I've never done a job in an American accent before. ↗
I had a dialect coach to get an American accent, and then another dialect coach to come off it a bit. There is something deep and mysterious in the voice when it isn't too high-pitched American. ↗
Usually, certainly British singers, adopt an American accent when they sing and I think that usually people are thinking of somebody else, but I just think of very specific people. ↗