Even the musical forms cultivated by the nineteenth century seem to have an imperialistic bias: thus, in the first-movement form of the symphony, home base is established (exposition), colonies are developed (Durchführung) and the empire is consolidated (recapitulation and coda). … The substitution of the punched-string piano for the plucked-string harpsichord typifies the greater aggressiveness of a time in which objects were punched and beaten into existence by means of new industrial processes. Material had once been stroked, carved or kneaded into shape; now it was slugged.

Schafer, Murray R, The Soundscape- Our Sonic E…, loc. 392