'The Birth Of The Blues'
| Quartet | Date | District | Level | %MUS | %PRE | %SNG | %Total |
|---|---|---|---|---|---|---|---|
| BSQ | 07-03-1999 | INT | International | 86.40 | 88.80 | 85.00 | 86.60 |
| By Design | 04-17-1999 | ONT | Prelims | 71.50 | 72.50 | 75.00 | 73.00 |
| By Design | 04-18-1998 | ONT | Prelims | 74.00 | 75.50 | 79.00 | 76.00 |
| By Design | 04-18-1997 | ONT | Prelims | 75.00 | 81.50 | 81.50 | 79.00 |
| Centerpiece | 10-16-1999 | JAD | District | 68.00 | 74.50 | 70.50 | 71.00 |
| Cincinnatians, The | 04-11-1997 | JAD | Prelims | 59.00 | 65.50 | 67.00 | 63.50 |
| Cincinnatians, The | 10-11-1996 | JAD | District | 64.00 | 68.50 | 66.50 | 66.00 |
| Detroit Sound Machine | 10-12-2019 | PIO | District | 73.00 | 73.00 | 70.50 | 72.00 |
| Empire Broadcast | 04-27-2019 | MAD | Prelims | 66.50 | 69.50 | 67.50 | 67.50 |
| Excalibur | 04-28-2000 | PIO | Prelims | 84.00 | 87.50 | 85.00 | 85.50 |
| Excalibur | 07-03-1999 | INT | International | 86.60 | 89.20 | 84.60 | 86.80 |
| HusAar | 07-05-2023 | INT | International | 85.40 | 84.60 | 84.00 | 84.60 |
| NightCrawlers, The | 10-28-2000 | NED | District | 65.67 | 67.33 | 60.00 | 64.33 |
| Rawsundah (SNOBS) | 07-06-2019 | INT | International | 83.80 | 84.00 | 85.80 | 84.40 |
| Swing Fever | 10-20-1995 | JAD | District | 72.50 | 71.00 | 67.00 | 70.00 |
| Swing Fever | 04-08-1995 | JAD | Prelims | 75.50 | 76.00 | 76.00 | 75.50 |
| Chorus | Date | District | Level | %MUS | %PRE | %SNG | %Total |
|---|---|---|---|---|---|---|---|
| Ambassadors of Harmony | 07-06-1996 | INT | International | 91.00 | 92.00 | 90.00 | 91.00 |
| Ambassadors of Harmony | 10-12-1996 | CSD | District | 89.67 | 92.00 | 88.00 | 89.67 |