3 Things to Know About the Leslie Speaker Vocal Effect

The warble on the vocal track comes from a Leslie speaker, not an instrument. The rotating speaker from a Hammond organ was used to process the singer’s voice.

John Lennon wanted his voice to sound like the Dalai Lama chanting from a mountaintop. He fed his vocal through a Leslie cabinet to achieve that effect.

This creative studio hack is the weirdest and most iconic trick on the track. It changed psychedelic music, not as a secret or trivia, but as a simple studio experiment.