Almost 100 years ago, the invention of the first electric recording machine changed the world forever. This film traces some of the earliest recorded musicians, their never-before-told stories and the astonishing impact they had on contemporary music and the world.

The individual journeys of the four members of the band, as they move through the music scene of the 1960s, playing small clubs throughout Britain and performing some of the biggest hits of the era, until their meeting in the summer of 1968 for a rehearsal that changes their lives forever.