Zabriskie Point Explosion /(come in number 51, your time is up) Pink Floyd's 1969-70

Pink Floyd's originally theme "Careful with That Axe, Eugene" was included in his album "Ummagumma" released the 17 December of 1968.
The group re-recorded the track, in the key of E minor instead of the original D minor in 1969, for the Antonioni's Zabriskie Point film.