Tuesday Evenings: Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts. May 1 – Poina `Ole – Never to be Forgotten; May 8 – Your Island of Peace; May 18 – Sea Turtle Serenade; May 22 – Heart of Slack Key; May 29 – Legends of Slack Key. Free gift drawing.  Award winning traditional Hawaiian slack key guitar and ukulele concerts featuring songs and stories telling its history.  Tickets $25 general admission, $20 Ages 13-19 & over…