Sunday Afternoons:  Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  January 3 – Hawai`i’s Sunset Music; January 10 – Poina `Ole – Never to be Forgotten; January 17 – Kaua`i Slack Key Guitar & Ukulele; January 24 – Hawai`i’s Cowboy Music; January 31 – Circle of Life.  Tickets: $20 ($15 keiki/seniors).  The concerts are nahenahe - soft and sweet.  Slack key guitar and `ukulele in the real old style.  All traditional music with songs and stories…