May 23

Please email calendar@midweek.com for event submissions

Tuesday May 23
Sibling Class
Castle Medical Center, 5-6:30 p.m., $15-$10. Children can learn how to be better older siblings to new brothers and sisters, practicing how to hold a new baby, safety and more. Parents also will learn how to ease the transition. Pre-registration required. (263-5400, castlemed.org)

The Authentic Way to Find New Customers and Increase Sales
Pacific Club, 5:30 p.m., $75-$55. Sales & Marketing Executives Honolulu host a seminar with Moses Aipa, former executive creative director and brand ambassador with Incase. (eventbrite.com)

The Power of Plant Food in Reducing Inflammation
Kaimuki-Waialae YMCA, 10:30-11:30 a.m., free. Learn how meal planning and healthy eating can help to lower inflammation. Pre-registration required. (737-5544)

Blood Bank of Hawaii
Kaiser Permanente Mapunapuna, Maile Room, 10:30 a.m.-3:15 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Haleiwa SUP Race
Register by May 23 for May 28 event at Waimea Bay, 8:15 a.m., $40. Paddle down a 4-mile course from Waimea Bay to Surf N Sea in Haleiwa. (surfnsea.com, 637-9887)

Willie K
Blue Note Hawaii, 6:30 and 9 p.m., $45-$25. (bluenotehawaii.com)

Aloha Show
Honolulu Hale, weekdays between May 23-June 15, 8 a.m.-4:30 p.m., free. Association of Hawaii Artists hosts its 47th annual Aloha Show. Reception is June 1 at 4 p.m. (jessicaorfe@gmail.com)