Summer!

On this first day of the sacred season, we should reflect on the words of Henry James, who wrote “Summer afternoon—summer afternoon; to me those have always been the two most beautiful words in the English language.”

It's time for muggy days, rock and roll nights, smoothies, dancing and outdoor festivals.

MAMMA MIA! AT THE FERST CENTER FOR THE ARTS

You’ll be digging the dancing queen at the Ferst Center for the Arts on the Georgia Tech campus when the Aurora Theatre’s production of “Mamma Mia!” enters its last weekend.

Presented first at Aurora's Lawrenceville home theatre in the spring, the jukebox musical, with 25 songs from Abba, moved to Midtown Atlanta this month. It wraps up this production on Sunday; 8 p.m., June 21 through June 24; $30 - $85; 349 Ferst Drive; 404-894-9600; arts.gatech.edu/

ALIVE IN ROSWELL IN DOWNTOWN ROSWELL

On June 21 the action is on the square in Roswell with the Alive in Roswell festival, which takes place from 5-9 p.m. on the third Thursday of every month this summer, through October.

On the square, on Canton Street and the City Hall grounds you will find food trucks, adult beverages, music from the Martin's Landing Band, activities provided by Core Fitness, Crossfit, and other fitness centers, and plenty of parking. Free. 678-591-2610; www.aliveinroswell.com/ 

FREE SMOOTHIE AT PLANET SMOOTHIE LOCATIONS

Planet Smoothie will be celebrating the first day of summer and National Smoothie Day, giving away free 16-ounce Lunar Lemonade smoothies to all customers between 2-4 p.m. For locations: www.planetsmoothie.com/

ROY “FUTUREMAN” WOOTEN AT AISLE 5

One of the four talented Wooten brothers, Roy "Futureman" Wooten joins kalimba-man Kevin L. Spears at the Little Five Points club called Aisle 5; 9 p.m. Thursday, June 21; $12; 1123 Euclid Ave.; www.aisle5atl.com/

See what's in store on the traffic and weather front before you head out.

Looking for more? Listen to our weekly accessAtlanta podcast, which offers more ideas for things to do in and around Atlanta.