Joyrex J4 EP is an EP by Richard D. James under the alias Caustic Window. The release is a 12 inch vinyl and has been pressed with both yellow and black labels.
All tracks except "Pop Corn" were later re-released on the album Compilation.
Track listing
Side A "Joyrex J4" – 4:27 "Pop Corn" – 3:38 "AFX 114" – 1:20
Side B "Cordialatron" – 4:43 "Italic Eyeball" – 4:24 "Pigeon Street" – 0:21 No track titles appear anywhere on the release; however, track titles came from the later release of Compilation, except for "Pop Corn" which is so called by fan-interpretation of the song written by Gershon Kingsley.
References