A song could have thematic links to the story, such as Tool’s Cold and Ugly, or it may speak to a plot element, like AC/DC's Whole Lotta Rosie, a gimmicky song that gets covered by Abby's band. Others may just be there for feel, like Clutch's live rendition of Coltrane's Equinox.
But there's one in particular that seems to capture the essence of what I'm trying to do with this story, and that song is The Bottle by underground heavyweights Hermano. (They're big in Europe.) Fronted by former Kyuss singer John Garcia, Hermano kicks out some of the grooviest riffs this side of grunge. Stoner rock is the official genre, I think.
The first few lines are the key:
You’re running around with the girl, manCouldn't have said it better myself.
She’s taking you the wrong way
Listen to the whole thing here.