Free events celebrating Arizona's centennial take place throughout downtown from Friday through Sunday, Feb. 10 through 12. Hours are 4 to 10 p.m., Friday; noon to midnight, Saturday; and 1 to 4 p.m., Sunday. Three stages feature more than a dozen acts performing American roots music and celebrations of Latin-American and Mexican culture. Performers include Sam Moore of Sam and Dave; Los Changuitos Feos; Batucaxé; Al Perry and the Cattle; Odaiko Sonora; the 62nd Army Band, Fort Huachuca; Southwest Soul Circuit; and Ronstadt Generations. Kids' activities include a ferris wheel, a jumping castle, films made at Old Tucson Studios, arts activities led by Tucson Arts Brigade and performances by illusionist Michael Howell, Puppets Amongus, the Wonderfools and others. Historic re-enactments and early 20th century tourism films are featured from 1:30 to 3:30 p.m., Saturday, at the Fox Theatre, 17 W. Congress St.; free. At 7 p.m., the Fox hosts 100 Years of Mexican-Americans in Arizona
with music, folklorico and film. Powhaus presents GEM, a multimedia, interactive production inspired by the Tucson Gem and Mineral Show, from 6 p.m. to midnight, Saturday, at the Rialto Theatre, 318 E. Congress St.; free before 9 p.m., $5 after. From 2 to 4:30 p.m., Sunday, a panel presents "Arizona Civil Rights Memories" at the Scottish Rite Cathedral, 160 S. Scott Ave. Additional events take place at UA Centennial Hall, the Joel D. Valdez Main Library and 10 museums and galleries downtown. Visit 2ndsaturdays.com
for more information.