Frequently Asked Questions
What is a perfect interval?
Unisons, fourths, fifths, and octaves are called perfect because they sound stable and tune to simple ratios (1:1, 4:3, 3:2, 2:1).
What is the difference between augmented and diminished?
An augmented interval is one semitone larger than perfect or major; a diminished interval is one semitone smaller than perfect or minor.
What is a tritone?
The interval of six semitones. Spelled as an augmented fourth (C to F#) or a diminished fifth (C to Gb) depending on context.
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