6 to 9 p.m. — Music Hackathon at UNT’s Innovation Greenhouse, in Room 119 at Sycamore Hall, 307 S. Ave. B at Sycamore Street. Event includes lectures and live music for designers, developers, programmers, industry experts and musicians. Registration is required. Cost is $45 per person, $25 for UNT students. E-mail firstname.lastname@example.org or call 940-369-5203.
9:30 a.m. — Mother Goose Time at North Branch Library, 3020 N. Locust St. Stories and activities for infants (birth to 18 months) and their caregivers. Free. Call 940-349-8752.
9:30 to 11:30 a.m. — “Learn to Knit” at North Branch Library, 3020 N. Locust St. Free. Knitter Hanci Tollefson teaches basic stitches. Bring size 8 knitting needles and a skein of worsted yarn. Free. To register, call 940-349-8752.
11 a.m. — Story Time at North Branch Library, 3020 N. Locust St. Stories, songs, puppets and more for children ages 1-5 and their caregivers. Free. Call 940-349-8752.
1 p.m. — Guest artist clinic with percussionist Chris Lamb, in the Recital Hall at the UNT Music Building, at Avenue C and Chestnut Street. Admission is $5. Call 940-565-2791 or visit www.music.unt.edu .
4 p.m. — Artists’ lecture and reception for “Contemplation: Emerging Female Photographers From Japan,” photos by Tomoe Murakami, Yuki Tawada, Yuhki Toyama and Ai Takahashi, in the TWU East and West galleries in the TWU Fine Arts Building, at Oakland Street and Pioneer Circle. Exhibit runs through Sept. 18. Free. Call 940-898-2530 or visit www.twu.edu/visual-arts .
7 p.m. — Grandparents and Gridiron Night at C.H. Collins Athletic Complex, 1500 Long Road. Participating grandparents will receive seats in a stadium suite, and food and drinks for Guyer-Flower Mound Marcus football game. Transportation to and from the game will be available at Robson Ranch activities center, with buses departing at 5:45 p.m.; Denton ISD Stephens Central Administration Building, 1307 N. Locust St., 5:30 p.m.; and Savannah Elementary School, 1101 Cotton Exchange Drive in Aubrey, 5:30 p.m. Spaces are limited. To reserve a spot or get more information, contact Sharon Cox at 940-369-0006 or email@example.com.
7 p.m. to 8 a.m. Saturday — Rockin’ Lock-In for ages 6-11 at the Denton Civic Center, 321 E. McKinney St. Supervised event includes a giant obstacle course and slide, crafts, video games on a giant screen, glow tag, snacks and movies. Kids need to bring a sleeping bag, a pillow, and toiletries. Dinner will not be provided; a breakfast snack will be offered. Cost is $15 per child. Call 940-349-8752 or visit www.dentonparks.com .
7:30 p.m. — The Denton Bach Players present “A Visit to Weissenfels,” a concert of music by J.S. Bach, Telemann and Krieger, at St. Paul Lutheran Church, at 703 N. Elm St. Tickets costs $15 for adults, $12 for students and seniors. Visit www.dentonbach.com .
7:30 p.m. — Guyer High School presents In the Heights, a musical by Lin-Manuel Miranda and Quiara Alegria Hudes, in the school auditorium at 7501 Teasley Lane. Tickets cost $10, available at the door or in advance at the Guyer office. For tickets or more information, contact Elisha Crotwell at 940-369-1156 or firstname.lastname@example.org .
American Legion Post 550 offers free karaoke at 9 p.m. each Friday at the post, 905 Foundation St. in Pilot Point. Call 940-686-9901.
Grupo 18 de Marzo Alcoholicos Anonimos meets from 7 to 8:30 p.m. at 100 W. Oak St. Call 940-231-9759.
Humble Beginnings group of Alcoholics Anonymous meets at 6 p.m. for discussion at Trinity Presbyterian Church, 2200 N. Bell Ave.
Serenity Al-Anon, a support group for family and friends dealing with the effects of someone’s drinking, meets at noon at First United Methodist Church.
Shalom Today group of Alcoholics Anonymous meets at noon, 6 p.m. and 8 p.m. for discussion at 311 S. Locust St. Call 940-383-8252.
Show Me group of Alcoholics Anonymous meets at 9 a.m., noon, 8 p.m. and 10 p.m. at 1622 W. University Drive, Suite 104. Call 940-566-9989.
Whole New Deal Narcotics Anonymous group meets at 7:30 p.m. at St. Andrew Presbyterian Church, 300 W. Oak St. Call 940-898-0747.
To tell us about your event or meeting, visit DentonRC.com and click on “Let Us Know” for our online forms; e-mail to email@example.com; fax to 940-566-6888; or mail to Page 2 Calendar, Denton Record-Chronicle, 314 E. Hickory St., Denton, TX 76201.