Tracks on "Red Calx" are Richard D. James material probably from early and mid 90's, close to "Selected Ambient Works Volume II", except last track more probably from "Richard D. James Album" era.

This is a 23 parts series compiling chronologically the extra material that Richard D. James put online on various pages.
Source: user18081971 soundcloud, user48736353001 soundcloud, Aphex Twin soundcloud, Aphex Twin warp page and more...

Aphex Twin Unreleased #G "Red Clax"

I make stuff in hopes of it staying out of popularity

Aphex Twin Unreleased #G "Red Clax"

Hollow Alias