Theory: Structure and Form

Structure and form refers to the way music is organised.
A piece of music can be made up of several sections which fit together to form a whole.
In music, each section is referred to using a letter.
Binary, Ternary, Arch Shape and Rondo Form
Binary Form = AB
Ternary Form = ABA
Rondo Form = ABACADA etc
Arch Shape = ABCBA
The A section can be slightly altered each time it is heard.
For example, in rondo form: A1, B, A2, C, A3
Call and Response
Call and response is very common in African music.
It is similar to imitative texture.
A -------------A
B--------------B
A--------------A
Theme and Variations
Theme = main tune
Variations = development of the main tune.
TASK – Listen to this set of theme and variations. For each variation, write down TWO musical features which have changed.
Sonata Form
RECAP : What is a concerto? What is a sonata?
SONATA FORM is different to a sonata!
Sonata Form =
Exposition: Main theme
Development: Based on the main theme but developed, lots of modulation etc
Recapitulation: Main theme with some embellishment, in original key with final cadence.
More Structure and Form
Minuet and Trio – two short dances in ¾
Scherzo and Trio - two short dances in ¾
Da Capo Aria – same as ternary
Through Composed – a continuous piece
Ground Bass – a constantly repeated bass line (a posh riff).
Cadenza – a solo ending – very fast
Coda – a short ending
Popular Song Form
Intro
Verse
Chorus
Bridge
Middle Eight
Outro
Strophic – same melody but different words