Wolfgang Amadeus Mozart: Great Mass in C minor, K. 427 Ferenc Fricsay, Berlin Radio Symphony Orchestra, Chor der St. Hedwigs-Kathedrale Berlin, Maria Stader, Hertha Töpper, Ernst Haefliger, Ivan Sardi.
Double harmonic scale with quarter tones. Created by Hyacinth (talk) 07:11, 10 March 2010 using Sibelius 5. MIDI pitch bend appears to match intervals.