accent A note played louder or more brightly to make it stand out. Often used in rhythm parts to change the groove.
accidental A note played with one or two extra sharps or flats, making it an off-scale note.
Aeolian mode Another name for the natural minor scale.
Alberti bass A popular bass line in certain periods of classical music, played with the root, fifth, third, fifth of the current chord, repeated over and over.
alto clef A sort of K-shaped glyph used in dot notation that puts middle C on the middle line on a five-line staff.
analysis In classical music theory, going through a score and writing out the chord progressions under the music.
anticipation Giving the listener a clue about what’s going to happen next. Melodic anticipation ...