HONOLULU (HawaiiNewsNow)-Wet n Wild Waterpark in Kapolei will be hosting a benefit concert on Saturday, April 23rd to help children in need in Hawaii and Haiti. A portion of the proceeds will also go to Red Cross for the relief efforts in Japan. Featured guests are Jake Shimabukuro and Cecilio Rodriguez. After the concert, several martial arts gyms will also be showcasing their talent in Muay Thai Kickboxing matches, also at the waterpark. Check out the video!