the tritone, diminished fifth or augmented fourth
Diabolus in musica
Related Dictionary Terms
Perfect
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intervals of a unison, octave, fourth, and fifth when they are exactly in tune and neither augmented nor diminished
Perfectus
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Latin
intervals of a unison, octave, fourth, and fifth when they are exactly in tune and neither augmented nor diminished
Doubly augmented sixth chord
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an augmented sixth chord, which contains a sharpened second from the tonic
Augmented chord
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a chord that has an augmented interval between its highest and lowest notes
Augmented sixth chord
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a chord which contains an augmented sixth above the bass, in addition to various other tones
Gypsy scale
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resembling the harmonic minor scale, but with an augmented fourth (C, D, E flat, F sharp, G, A flat, B, C'). see Musical Scal…
Hidden fifths
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Approaching fifths or octaves by similar motion can produce the same effect as approaching fifths or octaves by parallel moti…
Hidden octaves
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Approaching fifths or octaves by similar motion can produce the same effect as approaching fifths or octaves by parallel moti…