Wednesday Evenings:  Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  June 6 – Slack Key Tour of the Islands; June 13 – Sea Turtle Serenade; June 20 – Hawai`i’s Sunset Music; June 27 – Kaua`i Slack Key. 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 50, keiki under 5 free.   A portion of the proceeds support All Saints’…