Like some African music from which jazz music is derived, jazz forms are ___, and each cycle is defined by unique rhythmic and harmonix characteristics. Each cycle is called a ___, and, at a fixed length, they are usually 12, 16, or 32 ___ long. Two common examples of cylical forms are ____ blues and ___ AABA.

- 16 bar ABCD
- measures
- monotonous
- 32-bar
- chorus
- variable
- verse
- 12-bar
- cyclic