What: MusicFest featuring String Theory, a South Florida 4-piece band known for its setlist of popular cover songs and original tunes. Go to www.stringtheoryband.com to see if they know your favorite jam.

When: 6 p.m. – 11 p.m., August 20

Where: Gazebo Park, 50 East Ocean Blvd. in Downtown Stuart

Admission: Free

This month’s non-profit: United Way of Martin County. The agency is promoting the September 11, 2010 National Day of Service and Remembrance. For more information and volunteer opportunities with this event please call 772.283.4800 Ext. 225. Learn more at www.unitedwaymartincounty.org.