Kim has used that red bass since the 80's. That was the red bass that I saw in the street (in its case obviously) outside Steve Albini's house as the band were loading their gear into a van. I saw "PIXIES" on it and thought, "wow, I wonder who this band that's so into the Pixies that the put their name on their gear?" and it turned out ot be Kim's. Kim confirmed that she'd used it on "Doolittle". Normally I'm not a geek about gear, but I thought it was pretty neat.