Wednesday Evenings:  Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  May 3 – Sea Turtle Serenade; May 10 – Hawai`i’s Sunset Music; May 17 – Kaua`i Style Slack Key; May 24 – Island of Peace; May 31 – In the Real Old Style. Award winning traditional Hawaiian slack key guitar ad ukulele concerts featuring songs and stories telling its history.  Tickets $25 general admission, $20 Ages 13-19 & over 50, keiki under 5 free.   A portion…