The following groups have represented BHA/AAMBS at BHS/SPEBSQSA International Conventions.

Open Quartets

1992    The Sentimentals
1995    Bad Habits
2001    Southern Cross
2005    Freefall
2009    Alliance
2011    Alliance
2012    Alliance
2014    TLA
2015    Lockout
2016    The Mellow Diners
2017    Lockout
2017    Blindside
2019    The Electric Barbercats
2023    The Collective
2024    Mixed Signals
 

Youth Quartets

2003    Fast Forward
2004    Fast Forward
2007    Fast Forward
2010    Three Men and a Tenor
2011    The Fishbowl Boys
2013    The Fishbowl Boys
2015    Blindside, 4th place Bronze
2015    The Grand Angus
2016    Blindside
2016    Skyline
2017    Blindside, 3rd place Bronze
2019    Sunday's Best
 

Choruses

1999    The Banana Blenders
2007    The Blenders
2011    Vocal Evolution
2013    Vocal Evolution
2016    Vocal Evolution
2017    Sound Connection