Music history moves through technical breakthroughs, not just great composers

Goodall's organizing idea is that music's evolution is driven less by individual genius arriving from nowhere than by specific practical inventions that suddenly made new kinds of music possible and shareable. The invention of written notation around a thousand years ago let composers preserve and transmit exact musical ideas across distance and time for the first time, letting later musicians build directly on predecessors' work rather than reinventing everything from oral memory.

He extends this logic through history: the standardization of tuning systems enabled complex harmony and made instruments interoperable; improvements in instrument-building expanded expressive range; and centuries later, recording technology transformed music from a live, once-heard event into something replayable and endlessly studyable, changing both how music was composed and how audiences related to it.

Each of these breakthroughs, in Goodall's account, did as much to shape what composers could imagine as any individual talent did. Genius still mattered, but it worked within — and was enabled by — a shifting technical toolkit.

*Takeaway: when a piece of music sounds startlingly original, ask what new tool or technique had just become available to make it possible.