INTOWN ATLANTA

AUG. 1

Join in the old-school fun at the annual Cool Dads Rock Soapbox Derby. 11 a.m.-4 p.m. Free admission; participant registration $37.50-$60. Historic Fourth Ward Park, 680 Dallas St., Atlanta. www.cooldadsrock.com.

AUG. 8

Chaka Khan, Sheila E., the SOS Band and Slick Rick headline this year’s Flashback Festival. 6 p.m. $15-$70. Aaron’s Amphitheatre at Lakewood, 2002 Lakewood Ave. S.E. 404-443-5090, www.livenation.com.

THROUGH AUG. 9

True Colors Theatre Company presents “Chasin’dem Blues: The Untold Story of Paramount Records.” $20-$35. Southwest Arts Center, 915 New Hope Road, Atlanta. 1-877-7258849, www.TrueColorsTheatre.org.

AUG. 2

Add your voice to the chorus of movie musical fans at “The Sound of Music” Sing-Along. 1 p.m. $15. Fox Theatre, 660 Peachtree St. N.E., Atlanta. 1-855-285-8499, www.foxtheatre.org.

THROUGH AUG. 23

Essential Theatre Play Festival offers Joshua Mikel’s“Lillian Likes It” and Natalia Naman’s“The Old Ship of Zion.” $10-$25. West End Performing Arts Center, 945 Ralph D. Abernathy Blvd. www.essentialtheatre.com.