The Chicago Blues Festival is the largest free blues festival in the world and remains the largest of Chicago's Music Festivals. During three days on five stages, more than 500,000 blues fans prove that Chicago is the "Blues Capital of the World." The free festival kicks off with a tribute to the 100th Birthday of Robert Johnson, the most admired and influential of the Delta blues artists, on Friday, June 10. Renowned performers expected to pay tribute include David “Honeyboy” Edwards, Rick Sherry, Rocky Lawrence, Hubert Sumlin and the Duwayne Burnside Band. Other great local artists of international fame slated to perform include Shemekia Copeland, Lonnie Brooks, Billy Branch and The Sons of Blues, and Dave Specter.