Embryo: The studio version that never got a proper release

The studio version of “Embryo” that appeared on the 1970 sampler Picnic – A Breath of Fresh Air is a tidy, contained piece — barely over four minutes, with a clear folk-rock structure, gentle acoustic guitar, and Rick Wright’s organ floating underneath. It feels like a polished demo, complete with a fade-out that cuts what was likely a longer jam. Live, the band stretched it into a monstrous, evolving beast. By the time they played it at the Bath Festival of Blues and Progressive Music in June 1970, the song had ballooned past ten minutes, driven by Gilmour’s searing slide guitar and a wild, free-form middle section that turned the pastoral theme into something close to free jazz.

The most obvious difference is the ending: the studio version just stops; live versions often built to a chaotic, percussive climax with Mason hammering out a loose, tribal rhythm while Gilmour bent notes into feedback. The lyrics also changed slightly — live renditions sometimes dropped the second verse entirely, letting the instrumental sections take over. “Embryo” was never meant to be a single or a radio hit; the studio cut was basically a favor for a charity compilation. The band used the live show to do what Pink Floyd did best throughout 1970: treat a song as a launchpad for whatever felt right that night.