EPISODE 14: CALLING ALL AROUND THE WORLD Celebrating International Jazz Day #JazzDay10 Live! Friday, April 30 at 8PM ET Replay Available On Demand for 24 Hours TICKETS $15   www.vocalgumbo.com Brainchild of respected and trusted singers / arrangers / producers Janis Siegel (The Manhattan Transfer) and Lauren Kinhan (New York Voices), …