Sunday Afternoons: Slack Key Guitar Concerts. Traditional Hawaiian slack key guitar and `ukulele concerts. July 6 – Honoring Raymond Kane; July 13 – Poina `Ole – Never to be Forgotten; July 20 – Hawai`i’s Sunset Music; July 27 – Legends of Slack Key. 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…