Want to play beautiful Hawaiian melodies on your ?ukulele' Now you can! Learn to Play Slack Key Style ?Ukulele is a comprehensive instruction into the art of playing great solo ?ukulele?slack key style.Slack Key?Ho `alu?is a melodic finger-picked guitar style created by Hawaiian paniolo in the mid-19th century known as ?Hawaiian soul music?. It is only natural that some ?ukulele players in Hawai…