Wednesday Evenings: Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  October 3 – Hawai`i’s Cowboy Music; October 10 – Ahupua`a – Mountain to Sea; October 17 – Slack Key Tour of the Islands; October 24 – Whales Homecoming; October 31 – Hawai`i’s Sunset Music. 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…