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.
Coherent; well organized.
Into one place; into a single thing; combined.
It has been raining four days together
Without intermission or interruption; continuously; uninterruptedly.
At the same time, in the same place; in close association or proximity.
In a relationship or partnership, for example a business relationship or a romantic partnership.