The Chorale
- A mixed 60 voice choir based in Champaign. Schedule, history, music director, membership, rehearsals, scholarship.
- http://www.thechorale.org

Naperville Chorus
- Offers both a symphonic choir and a chamber choir. Sound clips, concerts, history, and photos.
- http://www.napervillechorus.org/

Apollo Chorus of Chicago
- 150-voice choir best known for its yearly performance of Handel's Messiah. Concert schedule, membership information, group history.
- http://www.apollochorus.org/