Sunday Afternoons: Slack Key Guitar Concerts. Traditional Hawaiian slack key guitar and `ukulele concerts. November 2 – Hanalei Slack Key Guitar & Ukulele Concert; November 9 – Legends of Slack Key Guitar & Ukulele Concert; November 16 – Honoring Raymond Kane; November 23 – Hawaiian Slack Key Guitar & Ukulele Concert; November 30 – Hawai`i’s Sunset Music. Tickets: $20 ($15 keiki/seniors). The concerts are nahenahe - soft and sweet.  Slack key guitar and `ukulele in the real old style.  All…