Augmented or diminished interval · Rules
Augmented and diminished melodic intervals (augmented second, tritone, diminished seventh…) are best avoided. It is not serious, especially in an inner voice, so it is a warning. A chromatic semitone in one voice (F → F♯) does not count.
- Augmented or diminished interval: Augmented and diminished melodic intervals (augmented second, tritone, diminished seventh…) are best avoided. It is not serious, especially in an inner voice, so it is a warning. A chromatic semitone in one voice (F → F♯) does not count. (Piston, ch. 3, p. 28; ch. 4, p. 46)