The compile is wasting my time. I'd rather shove a couple bucks to somebody who knows WTF they're doing.

Anybody game?

"Raspbian," sorry.

What is TimbreID and where is the code for it?

Actually, I solved it. Using the binary file timbreIDLib.pd_linux and making an object [declare -lib timbreIDLib] works like a champ.

@jancsika timbreID neat external by William Brent:
This is a collection of audio feature analysis externals for [Pd]. The classification extern (timbreID) accepts arbitrary lists of features and attempts to find the best match between an input feature and previously stored instances of training data.
http://williambrent.conflations.com/pagez/research.html

Code:
https://github.com/wbrent/timbreID

Video demo:
http://williambrent.conflations.com/mov/timbre-space-june-2019.mp4