Friday Afternoons: Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts. October 5 – Kaua`i Slack Key; October 12 – Sweet Hawai`i Dreams; October 19 – Hanalei Slack Key; October 26 – Honoring Keli`i Mawae of Molokai.  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 50, keiki under 5 free.  A portion of the proceeds support…