An evening pause: As the youtube webpage notes, “This is not an acoustic recording. This is a recording obtained by piano roll.”
Rolls for the reproducing piano were generally made from the recorded performances of famous musicians. Typically, a pianist would sit at a specially designed recording piano, and the pitch and duration of any notes played would be either marked or perforated on a blank roll, together with the duration of the sustaining and soft pedal. Reproducing pianos can also re-create the dynamics of a pianist’s performance by means of specially encoded control perforations placed towards the edges of a music roll, but this coding was never recorded automatically. Different companies had different ways of notating dynamics, some technically advanced (though not necessarily more effective), some secret, and some dependent entirely on a recording producer’s handwritten notes, but in all cases these dynamic hieroglyphics had to be skillfully converted into the specialized perforated codes needed by the different types of instrument.
Thus, we are listening now to a player piano, replaying the music as Debussy played it.
Hat tip Tom Biggar.
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