Group name:The DC Area Folk SOJO (Sing Out Jam Out)
Group name:Classical Music Listening and Wine Appreciation
Group name:Rockville Group
Group name:Milk Chocolate City / DC House Music events by CHOSEN
Group name:The Arlingtones/ a co-ed barbershop a cappella singing group
Group name:Potomac Harmony Chorus of Sweet Adelines International
Group name:Doctor Strings Music Group
Group name:Frederick Songwriting, Composition, and Music Theory
Group name:Guys Singing in the National Anthem for the Nats!
Group name:Metro Voices, a four-part, a cappella harmony chorus
Group name:High Performance Karaoke Club
Group name:The Potomac River Jazz Club Meetup Group
Group name:Folklore Society of Greater Washington FSGW
Group name:Vienna-Falls Chorus of Sweet Adelines International
Group name:Electric Maid Music Box
Group name:MCCR Folk Jams Continues STRONG
Group name:Live Shows VA / DC / MD Concerts & Clubs
Group name:Rock, Pop Punk + Emo Lovers
Group name:DC Indie and Local Music Meetup
Group name:Swingology, Hot Jazz