WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.The Chicago Blues Festival kicks off this weekend. The city is known as the blues capital of the world and why not, we have a rich history when it comes to the genre. That history is captured in the book, Exploring Chicago Blues: Inside the Scene, Past and Present. We talk with the author Rosalind Cummings-Yeats. We get you in a Blues mood with the smokin’ hot sounds of Delmark recording artist Toronzo Cannon. His latest album is John The Conquer Root and his previous album is Leaving Mood.