I have never really considered it an oddball track, and think it fits quite well on Trompe. One of my favourites on the disc, and part of me likes to think the Pixies could have followed this path with success.
I love this song, it's almost Pixies do Madness. So at odds with everything elase on Trompe but still makes sense somehow.
Godspeed
I read somewhere while recording Frank Black (orange) they were playing Madness albums back to back cos Charles wanted to get that chunky keyboard sound.