| Year | Quartet | Chapter(s) | Tenor, Lead, Bari, Bass
|
| 2011 | Voices Unlimited |
|
|
| 2010 | Progression |
| Matt Suellentrop, Mark Wheeler, Mark Keever, Chris Lowry
|
| 2009 | Skyline | |
|
| 2008 | Crossroads | St Louis MO
| Fred Farrell, Mike Slamka, Brandon Guyton, Jim Henry
|
| 2007 | High Definition | |
|
| 2006 | Quadio | |
|
| 2005 | Take 4 | |
|
| 2004 | Vocal Spectrum | St Charles MO
| Tim Waurick, Eric Dalbey, Jonny Moroni, Chris Hallam
|
| 2003 | Cadence | |
|
| 2002 | Two State Four | |
|
| 2001 | The Noise Boys | |
|
| 2000 | Phase II | |
|
| 1999 | Sibling Rivalry | |
|
| 1998 | 3 Men & A Melody |
| Chris Droegemueller, Eric Derks, Brad Stephens, Brian Bellof
|
| 1997 | EIB Quartet | |
|
| 1996 | Nebraska Compromise | |
|
| 1995 | Freefall | |
|
| 1994 | 12th Street Rag | Kansas City, Omaha, St Louis
| Micah Jeppesen, Mark Fortino, John Fortino, Barry Moore
|
| 1993 | Four From Home | |
|
| 1992 | Sound Legacy | |
|
| 1991 | Saint Sity Singers | |
|
| 1990 | Main Street Station | |
|
| 1989 | Stateline Celebration | |
|
| 1988 | Gas House Gang | St Charles, MO
| Joe Fink, Rich Knight, Rob Henry, Jim Henry
|
| 1987 | Gateway City Slickers | |
|
| 1986 | K C Connection | |
|
| 1985 | Missouri Valley Music Co | |
|
| 1984 | Special Touch | |
|
| 1983 | New St Louis Vocal Band | |
|
| 1982 | Harmony Spectrum | |
|
| 1981 | Corner Quartet | |
|
| 1980 | Favorite Sons | |
|
| 1979 | Quadratic Equation | |
|
| 1978 | The Chord Motor Company | |
|
| 1977 | River City Delegation | |
|
| 1976 | Rural Route 4 | |
|
| 1975 | Classic Collection | |
|
| 1974 | no contest | |
|
| 1973 | Formalities | |
|
| 1972 | Jax of Harmony | |
|
| ____ | | |
|
| 1947 | Keynotes | Newton, KS |
|
