| Term | Definition |
| Cantabile | Singable; singing. |
| Chorale | A congregational song or hymm of the German Protestant Church, originally for the entire congregation to sing. |
| Chord | 3 or more pitches sounded simultaneously or functioning as if sounded simultaneously. |
| Chromatic | Motion by half steps; also describes harmony or melody that employs some of the sequential 12 pitches (semitones) in an octave. |
| Common time | 4/4 meter. |
| Crescendo | Increasing loudness. |
| Da Capo or D.C. | Repeat from the beginning of the composition. |
| Dal Segno or D.S. | Repeat from the sign. |
| Decrescendo | Decreasing loudness. |
| Diminished | Lowered, or reduced; generally refers to the lowering of a pitch chromatically by one half step. |
| Dolce | Sweetly, usually also softly. |
| Dynamics | The degrees of loudness in a musical work. |
| Embellishment | Ornamentation added to music to make it more beautiful or effective, or to demonstrate the abilities of the performer. |
| Fermata | A pause or hold. |
| Fine | The end. |
| Flat | The symbol which indicates the lowering of a given pitch by one half-step. |
| Forte | Loud. |
| Grave | Grave, solemn. |
| Half-step | A semi-tone. |
| Harmony | Any collection of pitches as they sound simultaneously, or when pitches are in agreement. |