Friday Evenings: Slack Key Guitar Concerts. Traditional Hawaiian slack key guitar and `ukulele concerts. January 2 – Slack Key Tour of the Islands; January 9 – Hanalei Slack Key Guitar & Ukulele; January 16 – Legends of Slack Key Guitar & Ukulele; January 23 – Honoring Raymond Kane; January 30 – Hawaiian Slack Key Guitar – The Tradition. Free gift drawing. Tickets: $20 ($15 keiki/seniors). Slack key guitar and `ukulele in the real old style.  All traditional music with songs…