Secondary dominant with barbershop seventh chords. V/V - V - I in F major (G7-C7-F). Derived from [1]. In just intonation. Sevenths are harmonic sevenths, and the F in the first measure is 27.26 cents lower than the F in the third measure. Pitch bend matches intervals.
Choro "Sofres porque queres", composed by Pixinguinha and played by ensemble "Choro Pixinguinha" (Pixinguinha in the flute and Tute in the 7-string guitar). Recorded in 1919 by Odeon.
*Septimal major sixth on C = A (Ben Johnston's notation). 12:7 = 933.13 cents. Limit: 7-limit.
Author: Created by Hyacinth (talk) in Sibelius with midi pitch bend on 75 for 934.375 cents rather than 933.13. New version a M6 on 77,74 for 933.1298828125 cents rather than 933.13.
*Septimal minor sixth on C = A♭ (Ben Johnston's notation). 14:9 = 764.92 cents. Limit: 7-limit.
Author: Created by Hyacinth (talk) in Sibelius with midi pitch bend on 52 for 762.5 cents rather than 764.92. New version a P5 on 99,84 for 764.9169921875 rather than 764.92.
A12 4 7 10 on C. Traditional notation: C B♭ E. MIDI pitch bend matches intervals. Other non-octave tunings investigated by Bohlen besides the Bohlen-Pierce scale include twelve steps in the tritave, named A12 by Enrique Moreno [1] and based on the 4:7:10 chord.
Author: Created by Hyacinth (talk) using Sibelius 5.
*Septimal minor third on C = E♭ (Ben Johnston's notation). 7:6 = 266.87 cents. Limit: 7-limit.
Author: Created by Hyacinth (talk) 23:34, 13 December 2009 in Sibelius with quarter tone playback, midi pitch bend on 53 for 1465.625 cents rather than 1466.87. New version created in Sibelius with midi pitch bend on 51,85 for 1466.8701171875 cents rather than 1466.87 cents.
*"Semitone" in the Bohlen-Pierce scale on C = Db to D or Bb to B. Just: 625/567 = 168.61 cents. Limit: 7-limit. MIDI pitch bend: 122,53 Title refers to number of semitones (unison=0).
Author: Created by User:Hyacinth (13:39, 1 September 2008) in Sibelius. A m2 on 104,78.
*7 steps in 72 equal temperament on C. Equal-tempered: 27/72:1 = 116.67 cents. MIDI pitch bend: 43,69 Created in Sibelius with midi pitch bend on 69 for 115.625 cents rather than 116.669. New version a m2 on 42,69 for 116.650390625 cents rather than 116.669.
Author: Created by User:Hyacinth 20:01, 5 August 2008 in Sibelius with midi pitch bend on 51,85 for 266.8701171875 cents rather than 266.87 and 80,64 for 701.953125 cents rather than 702.