Українська: Й.С. Бах. Фуга dis-moll з І тому ДТК. Виконує Андрій Бондаренко. Запис здійснено апаратурою ВМУА на кабінетному роялі з хоровим строєм. Johann Sebastian Bach: Fugue in D-sharp minor, BWV 853, from Well-Tempered Clavier, vol. I. Performed by Andriy Bondarenko. The piano has a choir-like tuning, sorry :)
A thirteenth chord "collapsed" into one octave results in a dissonant, seemingly secundal[1] tone cluster. Created by Hyacinth (talk) 22:18, 5 July 2009 using Sibelius 5.
Sergei Rachmaninoff performing Waltz in E flat major, Op. 18. Composer: Chopin. Instrument: Steinway concert grand piano. Valse en mi bémol majeur, op. 18 de Chopin, interprétée sur un grand piano Steinway par Sergei Rachmaninoff en 1921.
Bridge chord, named after en:Frank Bridge. Minor chord with a major chord a whole tone above. Chord pictured followed by arpeggio with D major at the octave.
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.
Diagonal barre chord: major seventh chord on G. The first finger fingers both the second fret on the first four strings and the third fret on the sixth string.