Sunday Afternoons:  Slack Key Guitar Concerts.  Traditional Hawaiian slack key guitar and `ukulele concerts.  September 1 – Slack Key tour of the Islands; September 8 – Hawaiian Slack Key Guitar & Ukulele; September 15 – Honoring Raymond Kane; September 22 – `Ohana Slack Key Guitar & `Ukulele; September 29 – Legends of Slack Key Guitar & `Ukulele.  Tickets: $20 ($15 keiki/seniors).  The concerts are nahenahe - soft and sweet.  Slack key guitar and `ukulele in the real old style.  All…