Many members of the Sounds of Concord are also active in quartets that perform in the local area. Some of these quartets participate in local, regional and even international barbershop singing competitions as well. Our quartets include:

• Accidentally Intended
• Average Joes (2010 Granite and Pine Division Quartet Champions)
• Concord eXpress (2005 Northeastern District 4th place medalists)
• Have Voices Will Travel
• Sentimental Gentlemen