Forms consisting of two parts:
an opening section and a closing one. The
(musical thought) is divided into two short parts. The first one allegedly
asks a question (a dominant
chord providing a sense of tension) and the
second part gives an answer (a tonic
chord reliving the tension).
The binary form often uses two
longer parts. Again, the first section opens
in the Tonic key and generally modulates to a closely related key, while
the second section returns to the original key.
movements, by Handel
were written as binary forms, among which are the dances allemande,
In later ages, simple binary structure continued to be used, especially
In the romantic
era, composers wrote in more sophistocated
forms, but even Schumann
wrote short binary pieces for piano.
Example of binary form
Short binary musical sentence
ending with tension
reliving the tension