Serotonia is Quadra's second psychedelic album, released on Solstice Music International (SOLM-CD011) in 2004.
The CD features 10 tracks. All 10 tracks are exclusive to this release, appearing on no other.
- 01Quadra — Become Aware
- 02Quadra — External Pleasure
- 03Quadra — The Tunnel
- 04Quadra — Epicycle
- 05Quadra — Space Flights
- 06Quadra — Function Of Color
- 07Quadra — Energy Transport
- 08Quadra — Stimulated
- 09Quadra — Serotonia
- 10Quadra — The Ecstasy Of Revelation
