| Term | Meaning |
| Accelerando | Gradually speeding up the tempo. |
| Accidentals | Sharps, flats, and naturals not included in a key signature. |
| Adagio | Slow. |
| Ad Libitum | Indicates that the musician may play a composition with great freedom. |
| Agitato | Played in a restless or excited manner. |
| Allegro | Fast and lively. |
| Andante | Smooth and flowing, at a moderate speed. |
| Animato | Lively or animated. |
| Appassionato | With great feeling. |
| Cadence | A series of chords that brings a composition or one of its sections to a conclusion. |
| Cantabile | Songlike. |
| Chord | A combination of three or more tones played at the same time. |
| Clef | A sign that fixes the positions of notes on the lines and spaces of the staff. |
| Counterpoint | Music that consists of two or more melodies played at the same time. |
| Crescendo | Growing louder. |
| Decrescendo | Growing softer. |
| Diminuendo | Gradually growing softer. |
| Espressivo | With expression. |
| Flat | The half step below a given tone, with the same letter name as that tone. A flat is also the sign used to show that a tone should be lowered a half step. |
| Forte | Loud. |
| Fortissimo | Very loud. |
| Interval | The distance between two notes. The interval consisting of the notes C and E is called a third because E is the third note of a diatonic scale from C to C. Likewise, C and F is a fourth, C and G a fifth, C to A a sixth, and so on.Key is the particular scale used for a piece of music. It is based on a certain note, called the tonic. |
| Largo | Extremely slow. |
| Ledger Line | A short line drawn above or below the staff. It is used for notes too high or too low to appear on the staff. |
| Legato | Smoothly connected. |
| Maestoso | Majestic. |
| Measure | A unit of musical time containing an indicated number of beats. |
| Meter | The arrangement of beats in a piece of music. It is indicated by the time signature, a fraction that appears at the beginning of the piece. |
| Mezzo | Medium. It modifies other terms, as in mezzo forte (moderately loud). |
| Moderato | Playing in moderate tempo. |
| Modulation | Moving from one key to another key in a musical composition. |
| Molto | Very or much. It modifies other terms, as in molto allegro (very fast). |
| Motive | A series of notes repeated throughout a piece of music. |
| Natural | A note that is neither sharp nor flat. A natural is also the sign used to cancel a preceding sharp or flat. |
| Octave | An interval of eight notes. |
| Pianissimo | Very soft. |
| Piano | Soft. |
| Piu | More. It modifies other terms, as in piu presto (faster). |
| Prestissimo | As fast as possible. |
| Presto | Extremely fast. |
| Rallentando | Gradually slowing the tempo. |
| Ritardando | Gradually slowing the tempo. |
| Scale | A series of tones from one tone to its octave, arranged according to pitch. |
| Sforzando | Played with a sudden, strong accent. |
| Sharp | The half step above a given tone, with the same letter name as that tone. A sharp is also the sign used to show that a tone should be raised a half step. |
| Staccato | With distinct tones, sharply separated from one another. The tones are performed as rapidly as possible. |
| Staff | Consists of five horizontal lines and the spaces between them. Notes are written on the lines and spaces. |
| Tempo | The characteristic speed of a piece of music.Theme is the main melody of a musical composition. |
| Tremolo | Playing in a quivering or trembling style. |
| Vibrato | A slight wavering in pitch, occurring so quickly that it sounds like a single pitch. |
| Vivace | Played in a lively manner or with great speed. |
