choral
adj.relating to a group of people singing together. You use this to describe music written for a choir.
adj.relating to, written for, or performed by a choir or chorus. Often used attributively before a noun.
“The school has a wonderful choral group.”
“The cathedral is famous for its choral tradition, hosting performances that draw crowds from across the country.”
“Beethoven's Ninth Symphony is celebrated for its innovative choral finale, which integrates vocal soloists and a full choir into the traditional symphonic structure.”
Typically precedes the noun it modifies; often pairs with 'music', 'work', or 'arrangement'.
From Late Latin choralis, from Latin chorus.
See chorale. Hence, cognate with etymology 1.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.