| Term | Definition |
| crescendo | growing gradually louder |
| decrescendo | growing gradually softer |
| forte | loud |
| unison | all parts singing the same medolic line |
| harmony | when voice parts sing either higher or lower notes than the melody |
| scale | a series of tones that form a major or minor key |
| tonic | the keynote of a scale(or the 'do') |
| dominant | the fifth note of a scale(or the'so') |
| accidental | a chromatic sign not found in the key signature |
| key signature | the sharps or flats at the head of the staff indicating which major or minor scale is used for the piece |
| time signature | a musical notation indicating the number of beats to a measure and kind of note that takes a beat |
| resolution | a dissonant chord is followed by a consonant chord |
| tempo | the speed at which a composition is to be played |
| consonance | property of sounding harmonious |
| dissonance | discord, lack of harmony |
| measure | musical notation for a repeating pattern of musical beats |
| piano | soft |
| interval | the difference in pitch between two notes |