Friday Evenings: Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts. September 6 – Gifts from the Ancestors; September 13 – Legends of Slack Key Guitar & Ukulele; September 20 – Whales Homecoming; September 27 – Hawai`i’s Sunset Music.  Free gift drawing.  Tickets: $20 ($15 keiki/seniors).  A portion of the proceeds supports the Hale Halawai Ohana `O Hanalei.  Hanalei Family Community Center, 5-5299 Kuhio Hwy, Hanalei.  4 to 6 p.m.  For information and reservations call (808) 826-1469…