2nd Saturdays celebrates Tucson's Birthday month from 6 to 10:30 p.m., Saturday, Aug. 13, with outdoor stages featuring live music spanning a range of Tucson traditions from Western/Americana sounds to rock, R&B and soul, and with performances by the Reveille Men's Chorus, classical guitarist Gabriel Ayala, and more at the Celebrate Tucson! concert at the Fox Theatre. Other activities include a "Best Legs in Kilts" contest, readings by Poets on Congress, a puppet show, a variety of food vendors and activities for children. Free. Visit 2ndsaturdaysdowntown.com for more information.