Foreigner's Long, Long Way From Home was pretty much this novel's theme song in terms of both plot and theme. There are some lines that just sync up perfectly with the novel's events.

I discovered him pretty late in the game, but Jonathan Coulton's I Feel Fantastic was repeated plenty of times in the last mad rush to hit 50,000.

Dare and The Touch, by Stan Bush, are both wonderfully encouraging songs which I also remembered entirely too late.

I also put together a bunch of Pirates of the Caribbean music and the Indiana Jones and Superman themes for bounciness or something.

...

There were some more. Yes. And here I am staying up past midnight yet again. Don't do NaNo, kids. It will ruin your sleep patterns.