Key number MIDI note Helmholtz name Scientific name Frequency (Hz) (Equ... 108 119 b′′′′′ B 8 7902.133 107 118 a♯′′′′′/b♭′′′′′ A♯ 8 /B♭ 8 7458.620 106 117 a′′′′′ A 8 7040.000
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