90 of the 100 Greatest Psychedelic Songs according to DigitalDreamDoor.com
Criteria: - With instrumental originality, sound exploration, studio effects and extended improvisation as the central elements of psychedelic music, these songs were chosen as the best examples that helped define the genre. Impact & lasting influence were primary factors with lyrical content considered to a lesser degree. Those artists known specifically as vocal groups were excluded. Editor's note: As with all lists, this is a subjective list & makes no claim of an official nature.
As found on http://www.digitaldreamdoor.com/pages/best_songs-psych.html Edited by Rick Varner
(suffers from Spotify not having The Beatles or Pink Floyd)