Earworms. Your favorite song. Your character's favorite song. The song that just FITS the scene you're writing. Well, my online pals and I are posting our Saturday Sing-a-longs and this is the song that's been on repeat while I wrote two chapters' worth of the dystopian:
Isi does what's necessary and hurts someone in the process... Lands her butt in jail, even. So this one really fits.
Other Saturday Sing-a-long posts: