North Atlantic Region, #1
Border Lakes Region, #2
Lake Michigan Region, #3
East Central Region, #4
Can-Am Region, #6
Midwest Plains Region, #7
Rocky Mountain Region, #8
Atlantic Gulf Region, #9
Great Gulf Coast Region, #10
Sequoia Pacifica Region, #11
Pacific Shores Region, #12
North Pacific Region, #13
Blue Ridge Region, #14
Greater New York Region, #15
Lake Ontario Region, #16
Lake Erie Region, #17
Atlantic Bay Mountain Region, #19
Golden West Region, #21
Mid-America Region, #22
Heart of Dixie Region, #23
Mount 'n' Shore Region, #24
Heart of America Region, #25
Canadian Maple Leaf Region, #26
Quartet of Nations Region, #31 - England, Ireland, Scotland, and Wales
Nordic Light Region, #32 - Finland and Sweden
Netherlands Region, #33 - Netherlands
Southern Cross Region, #34 - Australia
New Zealand Region, #35 - New Zealand
Ambassadors Of Harmony Chorus, 2009 International Champion Chorus
Central States District
Illinois District
Land of Lincoln Chorus
Other vocal music links
A Cappella Radio
The Radio List (Singers.com)
A Cappella Always
Harmonet Central
CASA
Mainely A Cappella
Primarily A Cappella
