Sunday, May 25: Ukulele Picnic in Hawai`i. An event that aims to share the ukulele with people of all ages and nationalities, well-known ukulele players from Hawai`i, Japan, and around the world will converge to make music along Oahu’s south shore until sunset. Kaka`ako Waterfront Park, 9 a.m. to 6 p.m. Enjoy a variety of booths featuring Hawaiian crafts, food, activities for kids, and a luxury ukulele raffle. Admission is free. Complimentary shuttle buses will be available between Waikiki and Kaka`ako Waterfront Park. For…