Fifteen Keys Lyrics

Lyric discussion by perfectlemur 

Cover art for Fifteen Keys lyrics by Uncle Tupelo

My best guess is that this song is about an on again off again relationship that someone prone to depression is having. I'm sure that there is more that I'm not thinking about. my favorite line is:

""Danger/Slow" says the sign ahead Exhaust fumes, Thin Lizzy instead Left all pressing cares along the road Fifteen keys, but where do they go? "