Why Pink Floyd Ditched Pop Singles for Side-Long Suites Like 'Atom Heart Mother'

The shift wasn’t a sudden pivot but a natural result of Syd Barrett’s departure. Without their main pop songwriter, the remaining members — especially Roger Waters and David Gilmour — leaned into the extended, improvisational jams they’d been playing live since 1968. “A Saucerful of Secrets” had already clocked in at nearly 12 minutes, and their Ummagumma live half was basically one long noise-and-drone experiment. By the time they booked Abbey Road to record Atom Heart Mother, the band had simply stopped thinking in terms of singles. They wanted something that could breathe, that felt like a proper piece rather than a radio hook.

The “Atom Heart Mother” suite — a 23-minute collaboration with composer Ron Geesin — was the first time they committed an entire album side to one composition. That choice forced a total rethink of their live shows. Instead of slotting in three-minute “See Emily Play” or “Arnold Layne,” they now had to schedule the suite as a center