Clarence Buffalo will perform in this week's lineup for "Summer On The Green," taking the stage Friday for the annual concert series.

On Saturday, the audience will take control of the show for an Open Mic Night. "Summer on the Green" will close with Blaskapelle "Alte Kameraden" Bavarian Band.

All performances start at 6:30 p.m. In case of inclement weather, call 703-255-7842 to see if the concert is still on.

• Friday: Clarence Buffalo — Soulful Rock 
• Saturday: Open Mic Night
• Sunday: Blaskapelle "Alte Kameraden" Bavarian Band

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Correction: This article has been corrected to add Sunday's concert.