Grammy winners &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Dr.+John+-+M%C3%BAsico&amp;family=editorial&amp;specificpeople=4012792 ng-click='$event.stopPropagation()'&gt;Dr. John&lt;/a&gt; and Wayne Toups backstage during the 2013 New Orleans Jazz &amp; Heritage Music Festival presented by Shell at Fair Grounds Race Course on April 26, 2013 in New Orleans, Louisiana.