f. Loud
Forte
A piece for four instruments or voices. Four performers
Quartet
mp. Medium soft
Mezzo piano
p. Soft
Piano
A piece for eight instruments or voices
Octet
A scale composed of 12 half steps
Chromatic Scale
Varying degrees of loud and soft
Dynamics
A large group of musicians made up of string, bass, woodwind, and percussion instruments
Orchestra
The term which denotes the organization of sound in time
Rhythm
mf. Medium loud
Mezzo Forte
A solo passage; usually near the end of a piece
Cadenza
The term for describing a composition of two sections. AB, each of which may be repeated
Binary form
ff. Very loud
Fortissimo
The strictest form of imitation, in which two or more parts have the same melody, but start at different points
Canon
Three-part form in which the middle section is different from the other sections. Indicated by ABA
Ternary form