A vocal performance with no instrumental accompaniment.
Singing solely or mainly without instrumental accompaniment.
Related to a form of purely vocal music mostly associated with American college performance groups.
In a manner of a choir with no instrumental accompaniment; literally, "in the style of the (Sistine) Chapel (in Rome)", such as a musical Mass done a cappella.
An adaptation of a piece of music for other instruments, or in another style.
An agreement.
Preparations for some undertaking.
The act of arranging.
A collection of things that have been arranged.
A particular way in which items are organized.
The manner of being arranged.