If you’re looking for an example of how much a band can change by replacing a single member, you might consider Time’s Up, a collection of the earliest recordings of the Buzzcocks.

Recorded live to tape in one afternoon in October 1976, five months after they played their first gig, the music documented by these rough demos is almost instantly recognizable as the Buzzcocks, with their minimalist pop-punk melodies and buzzy guitar lines. However, at this point, Howard Devoto, who co-founded the band with guitarist Pete Shelley, was still singing lead, and Steve Diggle was on bass, before Steve Garvey came aboard and freed up Diggle to play guitar.

They’d already written a handful of tunes that would become favorites in their catalog (including “Orgasm Addict,” “Boredom,” and “L