“Deep Purple's 'Smoke on the Water' changed my musical direction... I traded my Merle [Haggard] for Terry's Deep Purple... and dove into rock and roll.”

: The "guitar" sound is actually reinforced by Jon Lord’s Hammond C3 organ , which he played through a distorted Marshall amplifier to mimic the texture of Blackmore’s Fender Stratocaster. Human Perspectives

Music fans often recall the song as a turning point in their musical journey.

The song wasn't recorded in a fancy studio. In December 1971, Deep Purple arrived in , intending to record their album Machine Head at the Montreux Casino using the Rolling Stones Mobile Studio . However, during a Frank Zappa concert, a fan fired a flare gun into the ceiling, burning the casino to the ground .

: Unlike many rock riffs that use standard power chords, Blackmore played this using parallel fourths , plucking the strings with his fingers rather than a pick to get a sharper, more distinct "snap".

: Ritchie Blackmore composed the riff using a four-note blues scale in G minor . Interestingly, he has claimed it was inspired by a reversed interpretation of Beethoven’s Fifth Symphony .