The Beatles began creating “Tomorrow Never Knows,” the first track recorded for ‘Revolver,’ on April 6, 1966, marking a significant shift in their artistic direction.
The song, initially known as “Mark I,” was a revolutionary departure from their previous work, incorporating tape loops, backward recordings, and varispeed techniques.
Reviewers struggled to comprehend the innovative sound of “Tomorrow Never Knows,” with one describing it as “very weird indeed” and another calling it a “weird and polished electronic creation.”
Ringo Starr’s son, Zak, was amazed by the track’s advanced production, assuming it involved modern studio gadgets, only to learn from George Martin that such technology did not exist at the time.
The Beatles’ experimentation with effects, including the use of a wine glass and a speeded-up guitar to create a “seagull” cry, showcased their commitment to pushing musical boundaries and achieving new artistic heights.



