Riku Onda, Honeybees and Distant Thunder, Translated by Philip Gabriel (New York: Pegasus Books, 2023; 2016), p. 184:
People no longer wanted musicians to improvise. Instead, audiences went to hear the famous tunes they were already familiar with. They were less keen on challenging or new work, and idiosyncrasy was avoided. The growth of the CD market only speeded up this trend. CDs, as was commonly known, excluded the highest and lowest registers, sounds on the edge of audibility. And so the kind of indigenous, European nuances of performance that had for so long been a tradition, were eroded.