Legowelt Official on Twitter: ""The piano has 97 keys as opposed to the 88 keys on a standard piano, and is based on an Austrian piano that Peterson favoured" We all know
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The World's First Nine Octave Piano — The Big Beleura - WORLD PIANO NEWS
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Bosendorfer Imperial Grand Piano with 9 extra keys (all black, in the bass) giving it 8 full octaves (C to C); 97 keys total. | Best piano, Piano, Music
