■ Music: Courtney Lynn & Big Trouble
Courtney Lynn & Big Trouble perform country music today (Aug. 20) from 6 to 8 p.m. at Courthouse Square, 2200 Broadway St., Redwood City. Admission is free. For more information, visit www.redwoodcity.org.
■ Exhibit: Picture This! A History of Photography
An exhibit focused on how photographic technology has changed through time and the importance of photography as a medium is open today (Aug. 20) from 11 a.m. to 4 p.m. at the Museum of American Heritage, 351 Homer Ave., Palo Alto. Admission is free. For more information, visit MOAH.