Sunday Afternoons:  Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  December 6 – Hanalei Slack Key; December 13 – Legends of Slack Key; December 20 – Honoring Raymond Kane; December 27– Honoring Keli`i Mawae of Molokai.  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 of the islands, telling the history of this Hawaiian musical art form. …