 
Rawa Blues Festival (pronounced "rava") is the world's largest indoor blues festival. The festival was named after the Rawa River, which flows through the city of Katowice in Poland. The first edition was held in April 1981.
Among the highlights of past festivals were: Luther Allison, Junior Wells, Koko Taylor, Carey Bell, John Cephas and Phil Wiggins, C. J. Chenier, Nora Jean Bruso, Rory Block, Little Charlie &amp; the Nightcats, as well as many Polish blues musicians such as Tadeusz Nalepa, Slawek Wierzcholski, Dżem and many others.
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