Topics range from species counterpoint through post-tonal and beyond. See also the Dictionary of Digital Media.
i
- Imitation
- Imperfect authentic cadence (lac)
- Impressionism
- Indeterminacy
- Indie
- Insert
- Intellectual property
- Internal cadence
- International phonetic system
- Interval
- Interval class (IC)
- Interval class vector
- Interval number
- Intonation
- Introduction (intro)
- Invariance
- Invariant subset
- Invention
- Inversion form
- Inverted interval
- Invertible counterpoint
- Isorhythm
- Italian augmented sixth (It+6)