Source: Piano Notes: The World of the Pianist (2002), Ch. 1 Body and Mind
“In the piano writing of the Romantic generation of the 1830s, in fact, a fully pedalled sonority becomes the norm: the piano is expected to vibrate fairly constantly, and an unpedalled sonority is an exception, almost a special effect. Furthermore, the phrase is now shaped at least partially by changes in this full vibration. The change of pedal is crucial to the conception of rhythmic movement and to the sustaining of the melodic line over the bass.”
Source: The Romantic Generation (1995), Ch. 1 : Music and Sound
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Charles Rosen 69
American pianist and writer on music 1927–2012Related quotes
Source: The Romantic Generation (1995), Ch. 1 : Music and Sound

“Poverty is a soft pedal upon the branches of human activity, not excepting the spiritual.”
Source: 1910s, A Book of Prefaces (1917), Ch. 4

Bk. 3, chap. 4; as cited in: Moritz (1914, 240)
System of positive polity (1852)

Napoleon the Little (1852), Book V, V
Napoleon the Little (1852)
Radio interview, circa 1985, by Ben Sidran, as quoted in Talking Jazz With Ben Sidran, Volume 1: The Rhythm Section https://books.google.com/books?id=O3hZDQAAQBAJ&pg=PT453 (1992, 2006, 2014)

"Toute réaction est vraie", p. 91.
Music, Ho! (1934)
Martin Stadtfeld ( Hungarian Piano Tradition http://onlinepianomasterclass.com)
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“Lately, I've become quite involved in psychic vibrations. I vibrate whenever I get the chance.”