In ancient Greece, choregos ( Greek: χορηγός) was a honorary title for the wealthy Athenian, who assumed the responsibility to finance and pay all the expenses of the prperation of the chorus and of the drama in all. Ancient Greece is the period in Greek history lasting for close to a millennium, until the rise of Christianity. ... For other uses, see Athens (disambiguation). ... In classical music a chorus is any substantial group of performers in a play, revue, musical or opera who act more or less as one. ... It has been suggested that this article or section be merged into theatre. ...

Nowadays the Greek word χορηγός is synonymous of the word grantor.