Billy Branch performs at Chicago Blues Festival

June 11, 2011 8:34:46 PM PDT
The world's largest free blues festival kicked into high gear Saturday night in Grant Park.

Hometown harmonica wizard Billy Branch and his Sons of Blues were on stage Saturday night. Their appearance is one of the highlights of the 28th annual Chicago Blues Festival.

This year's celebration commemorates the 100th birthday of the late delta blues legend Robert Johnson. It runs through Sunday night.