Psychedelic Rock emerged in the mid-1960s, driven by the counter-culture movement and exploration of altered states of consciousness, aiming to recreate the experience of mind-altering substances through sound. Musically, it pushed the boundaries of rock with innovative use of studio effects like reverb, delay, and phasing, alongside exotic instrumentation such as sitars and organs, often creating long, improvisational jams and surreal soundscapes. Electric guitars employed feedback, fuzz, and wah-wah pedals, while vocals often became ethereal and processed, contributing to its distinctive, immersive, and often dream-like sonic journeys. Pioneered by bands like The Beatles (especially their later work), early Pink Floyd, The Jimi Hendrix Experience, and Jefferson Airplane, Psychedelic Rock became a cornerstone of rock's artistic expansion, influencing countless genres with its adventurous spirit and sonic experimentation.