The five-day expedition, which features performances by the blues icon and other acts, is part of Norwegian's booming business of music- and lifestyle-themed cruises.
The November event will also feature sets from Bret Michaels, Living Colour, Extreme and others.
From Broadway divas to metalheads to EDM DJs, stages on ships offer all kinds of artists a unique platform — and Sixthman has cornered the market.
