At the heart of "Meddle" is the 23-minute epic track "Echoes," which is widely considered one of Pink Floyd's greatest achievements. The track features a hypnotic opening riff that builds and evolves over the course of its runtime, incorporating elements of jazz, blues, and folk music. Despite its experimental nature, "Meddle" was a commercial success upon its release, reaching number three on the UK album charts. The album solidified Pink Floyd's status as one of the most innovative and influential rock bands of the 1970s, and paved the way for their later groundbreaking releases such as "The Dark Side of the Moon" and "Wish You Were Here." With its innovative sound and bold exploration of the human experience, "Meddle" remains a classic and enduring work of art.