Arnold Schoenberg - the 1900's
from Arnold Schoenberg Letters, pages 233-234:
Most American music I have heard only over the radio, and only once. According to my long experience the impression of a work changes considerably with frequent listening.
Arnold Schoenberg, and Erwin Stein (ed.), Arnold Schoenberg Letters (1964), p. 233-234. https://led.kmi.open.ac.uk/entity/lexp/1448988215918 accessed: 22 October, 2021
Listening tohide composers
Letter from Arnold Shoenberg to Roy Harris, Los Angeles, 17 May 1945