Let's go see 7 Bridges, they're an Eagles Tribute band out of Tennessee. Tarara Winery in Leesburg is one of our favorite concert venues, they have plenty of shade and the stage backs up to the lake so it is very pretty, and it is usually comfortable even on the sunniest of summer days.
Gates open at 5pm, band starts at 6pm, its a good idea to get there at gate opening to stake out your spot. Picnics are allowed, bring chairs or blankets. No outside alcohol but wine and food is for sale. Tickets available at gate or online $15 presale $20 at the gate. See website for info.
All the info you'll need is available here: http://www.tarara.com/2017ConcertSchedule
you can also check out their FAQ page: http://www.tarara.com/ConcertsFAQ