Goa Head 21 is a compilation on CD, released on Leguan Records (DA56042-2) in 2005.
The CD collects 20 tracks across 2 discs from 20 artists. 2 tracks are exclusive to this release: "Granada (X-Wave Remix)" by Power Source and "Twilightflight" by Dustbuster. This is the first release for 4 tracks later found elsewhere: "" by Ticon, "" by Psy Tekk, "" by Saronida Sound System and "" by Vision & Canedy. Several of its tracks are well known favorites: "" by Atmos (2005, 6 releases), "" by Silent Sphere (2005, 4 releases), "" by SBK (2004, 4 releases), "" by Son Kite (2004, 4 releases), "" by Funky Dragon (2005, 3 releases) and 6 others.
- 01Magnetrixx — Probably
- 02Meller — Mysterien Der 8
- 03Ticon — Texas Magnusson
- 04Funky Dragon — 13 Days
- 05Intersys vs Rhythmic Acid — Blissfull Guidance
- 06Psy Tekk — Space Syndrome
- 07Son Kite — The Stars Within Us (Dino Psaras Remix)
- 08Power Source — Granada (X-Wave Remix)
- 09Silent Sphere — Neuland
- 10Echotek — Skykorg Key
- 01Atmos — Raumwelt Signal (Hernan Cattaneo & John Tonks Remix)
- 02Ryan Halifax — Clouds In My Coffee
- 03Prisoners of the Sun — Polish Lips
- 04Saronida Sound System — Dee Vee Dee (Marco Canedy Remix)
- 05SBK — Nightfly
- 06Vision & Canedy — Laguna
- 07Dj Tomtron & Timm Liesegang — Song For You
- 08Taucher & Glasberg & Fawkes — Waiting
- 09Fitalic — Control Your Mind
- 10Dustbuster — Twilightflight
