Past Regional Chorus Champions
| 2019 | Motor City Blend Chorus |
LeAnn K Hazlett Sylvia Karpinsky |
669 |
| 2018 | Shoreline Sound Chorus |
Diane Catellane |
627 |
| 2017 | Motor City Blend Chorus |
LeAnn K Hazlett Sylvia Karpinsky |
677 |
| 2016 | Shoreline Sound Chorus | Diane Catellane | 645 |
| 2015 | Great Lakes Chorus | Sylvia Karpinsky | 642 |
| 2014 | Shoreline Sound Chorus | Diane Catellane | 637 |
| 2013 | Great Lakes Chorus | Sylvia Karpinsky | 636 |
| 2012 | Spirit of Detroit Chorus | LeAnn K Hazlett | 648 |
Division A Champions
| 2019 | Grand Traverse Show Chorus | Jill Watson | 585 |
| 2018 | Fenton Lakes Chorus | Jeanne Lundberg | 546 |
| 2017 | Fenton Lakes Chorus | Jeanne Lundberg | 549 |
| 2016 | Grand Traverse Show Chorus | Jill Watson | 612 |
| 2015 | Northern Blend Chorus | Susan Heimburger | 558 |
| 2014 | Fenton Lakes Chorus | Jeanne Lundberg | 565 |
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Division AA Champions
| 2019 | London Chorus | Julia Beadle | 606 |
| 2018 | Shoreline Sound Chorus | Diane Catellane | 627 |
| 2017 | London Chorus | Julia Beadle | 620 |
| 2016 | Shoreline Sound Chorus | Diane Catellane | 645 |
| 2015 | Great Lakes Chorus | Sylvia Karpinsky | 642 |
| 2014 | Shoreline Sound Chorus | Diane Catellane | 637 |
