Grammy-Winner Mark Johnson Promotes Peace Through Music

<p>Mark Johnson's viral video of legendary street blues singer Roger Ridley performing "Stand By Me" has been viewed over 128 million times. He shares why he created Playing For Change to inspire and connect the world through music.</p> <p>Guest Biography</p> <p>Mark Johnson is a Grammy-winning producer/engineer and award-winning film director whose visionary concept a decade ago became the driving force behind Playing for Change. His work was spotlighted in a profile on the PBS series Bill Moyers Journal.</p> <p>For the past decade, he has worked with some of the most renowned producers in...