Crescendo: gradually gets louder
Decrescendo: gradually gets softer
Forte: loud
Piano: soft
Mezzo: medium
Dynamics: degrees of soft and loud
Chord: several sounds played at once
Triad: three notes
Melody: prominent sound heard
Harmony: background sound heard
Dissonance: musical tension
Consonance: musical resolution
Rhythm: internal beat of the music
Allegro: fast
Adagio: slow
Andante: walking tempo
Presto: very fast
Major: pleasant
Minor: not so pleasant
Drone: single sustained note
Violin: high
Viola: middle
Cello: low
String Bass: lowest
Double Reeds
Oboe: high
English Horn: middle
Bassoon: low
Single Reeds
E flat Clarinet: high
Clarinet: middle
Bass Clarinet: low
Other Woodwinds
Piccolo: highest
Flute: high
Trumpet: high
Horn: middle
Trombone: low
Tuba: lowest
Timpani
Cymbals
Bass Drum
Snare Drum
Xylophone
Triangle
Harp
Tambourine