Echoes -

Written primarily by , the lyrics explore themes of human empathy , connection, and the collective subconscious [10, 21].

The first verse originally drew from Muhammad Iqbal's poem "Two Planets" but was rewritten to use to better reflect the song's fluid, expansive sound [21].

"Echoes" is widely regarded as early masterpiece, a 23-minute progressive rock odyssey that occupies the entire second side of their 1971 album, Meddle [13, 21]. Originally composed through collaborative experimental sessions, the track serves as the bridge between the band's psychedelic roots and the conceptual grandeur of their later work [21, 33]. Musical Composition & Sections Echoes

: The eerie middle segment, often called the "whale song" or "bird section," was produced by Gilmour using a wah-wah pedal plugged in backward to create high-pitched, screaming feedback [11].

The piece is structured as a series of evolving movements rather than a traditional song: Written primarily by , the lyrics explore themes

: Modern artists like Rodrigo y Gabriela have released full covers, reimagining the piece with acoustic guitars and percussive techniques [10]. If you'd like to dive deeper, I can provide:

: Frequently cited as the definitive version, this performance in an empty Roman amphitheater showcased the band's peak improvisational chemistry [10, 26, 37]. If you'd like to dive deeper, I can

: A popular fan theory suggests "Echoes" was composed to sync perfectly with the "Jupiter and Beyond the Infinite" segment of the film, though the band has never officially confirmed this [33].