For calculating purpose, the fundamental is chosen from standard pitch, A4=440 Hz. In practice, it can use any pitches. The unison and octaves of fundamental have zero deviation because it's assumed to be perfectly match to Equal-Tempered counterpart.
Toxic choir (and committee) members – how to stop them spoiling it for
others
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Many of the queries I get sent concern ‘toxic’ choir members. People who
disrupt things and spoil it for others.
photo by eek the cat
I thought I’d lo...
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