Koa Music Box - Aloha OeMartin & MacArthur Hawaii craftsmen create Koa Music Boxes with our private stock of curly Koa from the Big Island. We hand select only the finest Koa with a fluttering grain patterns and rich, dark hues. We chose three of classic songs about Hawaii Blue Hawaii, Hawaiian Wedding Song and Aloha Oe. Each of our Koa Music Boxes is made with a premium, 18 note, gold finished, movement by Sankyo, renowned worldwide for its precision and clarity of sound.