A master of the slack key guitar, Ledward Kaapana has been one of Hawaii's most influential musicians for decades. A founding member of Hui 'Ohana, a group he formed in the early '70s with his twin brother, Nedward, and a cousin, Dennis Pavao, Kaapana was instrumental in bringing the slack key to stages around the globe. Launching a solo career in 1983, Kaapana has continued to garner acclaim for his improvisational melodies and falsetto vocals. The Honolulu Advertiser called Kaapana "friendly, generous, self-effacing, a little kolohe (rascally) and a flat-out genius at just a...