A vocal performance with no instrumental accompaniment.
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.
Singing solely or mainly without instrumental accompaniment.
Related to a form of purely vocal music mostly associated with American college performance groups.
A harmonious outpouring of sound.
The range or scope of something, especially of notes in a scale, or of a particular musical instrument.
A tonal grouping of the flue pipes of a pipe organ.
The musical octave.