Apollo Chorus of Chicago: 150-voice choir best known for its yearly performance of Handel's Messiah. Concert schedule, membership information, group history.
Chicago Choral Artists: Ensebmles that performs works ranging from Gregorian chant to gospel. Current and past seasons, ticket and CD orders, audio samples, auditions.
Naperville Chorus: Offers both a symphonic choir and a chamber choir. Sound clips, concerts, history, and photos.
The Chorale: A mixed 60 voice choir based in Champaign. Schedule, history, music director, membership, rehearsals, scholarship.