(n): the sudden occurrence of an audible event
(n): a group of people assembled to sing together
(n): an organization of musicians who perform together
(n): the part of a song where a soloist is joined by a group of singers
(n): an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner
(n): a body of dancers or singers who perform together
(n): a formation of people or things one beside another
(n): a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play
(n): organization of performers and associated personnel (especially theatrical)
(v): utter in unison
(v): express audibly; utter sounds (not necessarily words)
(v): sing in a choir
(v): produce tones with the voice