5 25 {\displaystyle {\sqrt[{25}]{5}}} = 5:11/25 = 111.45 cents. Interval used in Stockhausen's Studie II, a compound just major third (5/1) divided into 25 equal parts.
Harmonic seventh chord on C. Equal tempered major chord with quarter tone flat minor seventh (950 cents). Created by Hyacinth (talk) 18:56, 10 November 2011 with Sibelius 5.