Argyria
| Interval information |
In just intonation, the comma between three 8/7's (693.522 cents) and two 11/9's (694.816 cents), measuring 1.294 cents(1) and once casually referred to as "the tinge"(2).
--- (1) Gayle Young, "The Pitch Organization of Harmonium for James Tenney," Perspectives of New Music, vol. 26, no. 2, summer 1988, pp. 204–12. Stable URL: http://www.jstor.org/stable/833190 (2) Young, private e-mail to Todd Harrop, 24 June 2018.