“A musicologist is a man who can read music but can't hear it.”
Quoted by H. Proctor-Gregg, Beecham Remembered (1976), p. 154
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Thomas Beecham 12
British conductor and impresario 1879–1961Related quotes
Daniel Leech-Wilkinson (1997), "The good, the bad and the boring", Companion to Medieval & Renaissance Music. Oxford University Press. ISBN 0198165404.

“What music is more enchanting than the voices of young people, when you can't hear what they say?”
Age and Death
Afterthoughts (1931)

“Those who dance appear insane to those who cannot hear the music.”
Misattributed
First recorded appearance: Germaine de Staël's On Germany (1813). ". . . sometimes even in the habitual course of life, the reality of this world disappears all at once, and we feel ourselves in the middle of its interests as we should at a ball, where we did not hear the music; the dancing that we saw there would appear insane." There are several other pre-Nietzsche examples, indicating that the phrase was widespread in the nineteenth-century; it was referred to in 1927 as an "old proverb".

“Who hears music feels his solitude
Peopled at once.”
Balaustion's Adventure, line 323 (1871).
Source: The complete poetical works of Browning