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 musical entertainment in which several voices or instruments take part.
Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.
Musical accordance or harmony; concord.
To act in harmony or conjunction; to form combined plans.
To plan; to devise; to arrange.
To plan together; to settle or adjust by conference, agreement, or consultation.