July 31

Happiness U, 675 Auahi St., Suite E3-205, 6-6:30 p.m., $20. Take a class about where perceptions and judgments come from, and what expectations you can realistically set when it comes to liberating yourself from a limiting mindset. (yourhappinessu.com)

Surfjack Hotel & Swim Club, 6-8 p.m., $25. Enjoy yoga, dance, fitness and upbeat music. Participants are asked to bring a yoga mat, towel and water. Reservations recommended. (shakti-flow.com)

Wahiawa Public Library, 4:30 p.m., free. Take part in an hour of Harry Potter-themed trivia. Come dressed in your finest wizard outfit and be prepared to be sorted into one of four Hogwarts houses. Butterbeer and other goodies will be provided by the library. Trivia is suitable for those age 12 and older. A screening of “Harry Potter and the Sorcerer s Stone” will follow the game. Pre-registration required for trivia. (622-6345)

Basalt, Tuesdays through July, 6 p.m., free. Enjoy a contemporary music performance. (dukeslanehawaii.com)

Blue Note Hawaii, 6:30 and 9 p.m., $15-$35. Na Hoku Award-nominated Mango Season brings its soulful, introspective and full-of-funk sound for a night of disco fever. This evening will feature some of the best music of the disco era, including Donna Summer; Michael Jackson; Earth, Wind and Fire; and Chaka Khan. Dancing in the aisles is encouraged for this funkified night of ’70s dance fever. (bluenotehawaii.com)

Mililani Town Center, California Pizza Kitchen, 95-1249 Meheula Pkwy., 7-9 p.m., $35. Join a Hawaiian style paint party. Ticket price includes canvas, paints and artist instruction. Participants can take home their own personal creations. (781-2218, paintpaina.com)