The Alfas – Slide Machine (The 13th Floor Elevators Cover) All Time Highs, Cover 13th Floor Elevators, Coverversion Machine, Songcover Psychedelic, Coverversion Rock, Coversong Slide Machine, Coverversion The 13th Floor Elevators, His eye is on the pyramid, The Alfas – Slide Machine (The 13th Floor Elevators Cover) Slide Machine is a song written by 13th Floor Elevators and this is The Alfas version, featured on the … Like 0 Thanks! You've already liked this