| A | B |
|---|
| soprano | highest female singing voice |
| alto | lowest female singing voice |
| bass | lowest man's voice and part in music |
| baritone | man's voice of medium pitch |
| tenor | highest male singing voice |
| vibrato | vibrating |
| falsetto | high, unnatural vocal sound |
| acapello | unaccompanied choral music |
| chord | three or more tones combined and sounded simultaneously |
| tone | musical sound having a certain manner of expression to it |
| ensemble | group of performers |
| piano | short for "pianoforte" a keyboard instrument |
| crescendo | gradually increasing in loudness |
| decrescendo | gradually decreasing in loudness |
| conductor | one who directs a group of performers; indicates the tempo, phrasing, dynamics, and style by gestures and facial expressions |
| harmony | sound resulting from the simultaneous sounding of two or more tones consonant with each other |
| tempo | speed of music; how fast it is played |
| duet | composition for two performers |
| refrain | section of a composition that occurs several times |
| modulation | change of keys |
