I come from a dancing background, and I know it's stereotypical, but I would dance because I wasn't comfortable speaking to people.
Most often the music does end up in the movie, and sometimes there's a point where I wish that it wasn't, just because I think the score would be more effective if there was less of it. But, again, that's not my call.
Of course, it's hard to support full-time programmers, so we do get funds from a set of companies that are interested in the health of the Mozilla project and so are willing to support the people working for the Foundation as well.