Understanding the accordion's folk roots
Launch library · evergreen read

The accordion produces sound through air pushed steadily across internal reeds by an expanding and contracting bellows, giving it a sustained, almost breathing quality quite distinct from most conventional keyboard instruments found elsewhere in an arrangement, a mechanism closer to breathing than to any conventional keyboard action.
Its portability and expressive range made it historically popular across many folk traditions, where a single player could provide both melody and harmonic accompaniment simultaneously without needing any additional accompanying musicians standing alongside them at all, a self sufficiency that made it especially valued in smaller, travelling ensembles.
This particular folk association still colours how the instrument tends to be used today, frequently appearing in contemporary music whenever a producer wants to evoke warmth, tradition or a sense of communal, everyday music making shared among friends, a warmth that studio recreations still struggle to fully capture with real accuracy, a fidelity worth remembering next time a synthesized version is heard instead.