The first Global Blues Harmonica Summit, the world's first interactive online harmonica workshop, will take place from 8 AM to 4 PM Pacific Time on Saturday, August 12, 2017. All you need to participate is a good internet connection and the modest registration fee. The subject is "improvisation." Your four teachers for the day include Ronnie Shellist, David Barrett, Adam Gussow, and Tomlin Leckie.