Jazz Fest. There's a celebration of jazz going on in downtown Tulsa this weekend, and it starts Saturday night with local jazz artists like Olivia Duhon, Pam Van Dyke, Chuck Gardner and a special performance from Eldar Jazz. Then Sunday it's the Booker T. Washington Alumni performing a salute to the musical talent of Booker T, past and present. Donations benefit the BTW music program. <a href="http://www.okjazz.org">Learn more at okjazz.org</a>.