Every other Thursday in June: Ke Kani `O Ke Kai.  Kick back on the cool, beachfront lawn at the Waikiki Aquarium, 1777 Kalakaua Ave., Honolulu, for an evening of live entertainment and food under the stars.  Doors open 5:30 p.m., performances 7 to 8:30 p.m. Waikiki Aquarium galleries will remain open during the concerts. June 9 – Ben & Malia, Kawika Kahiapo, Chad Takatsugi; June 23 – Streetlight Cadence, HAPA. For tickets and information call (808) 923-9741 or visit www.waikikiaquarium.org.