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Music theory definition

Tritone

An interval of three whole steps (six half steps) - an augmented 4th or diminished 5th. Famously restless.

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The tritone

Six = the . The most restless sound in music.

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This term is introduced in Unit 5: Intervals. Work through the explanations and exercises to connect the definition with music.

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Interval
The distance between two notes, named by number (how many letters) and quality.
Perfect interval
Unisons, 4ths, 5ths, and octaves in their natural size. They sound open and stable.
Major interval
The larger form of a 2nd, 3rd, 6th or 7th - the size found above the tonic of a major scale.
Minor interval
A major interval made a half step smaller.
Augmented
A half step larger than perfect or major.
Diminished
A half step smaller than perfect or minor.
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