| A | B |
|---|
| rest | Musical silence. |
| time signature | A fraction-like sign at the beginning of a piece that indicates the meter of the piece. |
| rhythm | The organization of music in time using long and sort note values. |
| octave | The interval of eight steps from one note to the nearest note of the same name. |
| harmony | The result produced when different tones are sounded simultaneously. |
| a cappella | Without accompaniment. |
| accidentals | Sharp, flat, and natural signs used to raise, lower, or return a note to its normal pitch. |
| acoustics | The science of sound. |
| al fine | To the end. |
| alto | The lowest female singing voice. |
| soprano | The highest female singing voice. |
| tenor | The highest male singing voice. |
| bass | The lowest male singing voice. |
| audition | To perform for a judge who evaluates the performer's skill. |
| bar | A measure. |
| measure | The notes and rests between two bar lines. |
| bar line | A vertical line tat divides measures or bars. |
| baton | The stick used by a conductor to lead an ensemble. |
| beat | Unit of measurement of rhythmic time. |
| carol | A joyous song of praise, usually sung at Christmas time. |
| chamber music | Music for a small ensemble suitable for a small room. |
| chest voice | The lower register of a voice. |
| choir | A group of singers, usually associated with a church. |
| choral | Vocal music. |
| chorus | a group of singers not associated with a church. |
| coloratura | Fast, ornamented, usually high vocal music. |
| composer | A person who writes music. |
| head voice | The higher register of the voice. |
| crescendo | Gradually becoming louder. |
