I have ANGST because I was just listening to my official Paper Mario 64 soundtrack, and realised that they missed a track when recording it: fighting the Monty Moles in Flower Fields (when you head west from the main area, and reach that one flower's area before fixing the cloud machine).
I can't believe Nintendo didn't put that awesome track on their official soundtrack. I wonder if I can download it from somewhere.. No, I am not asking where to download it..