EDIT: I've now removed the slow version of the screencast.

Thanks. My girlfriend picked the slow music but then said the same thing so I made a fast, supercharged version. However, she advised me to go with the slow one anyway because she liked seeing my face. So I decided to choose one randomly!

Short, fast, upbeat version: http://www.youtube.com/watch?v=4Jl7AW5gXIo

Slow & dramatic version: http://www.youtube.com/watch?v=c8X80_038lU (no longer on the web site, though)