Make Music Day, the annual global celebration of music occurring each June 21, today announced its full schedule of over 4,000 free, outdoor concerts, music lessons and jam sessions – with more to come – in over 60 U.S. cities. The all-day musical celebration on the summer solstice brings people of all styles, ages and skill levels together to make and enjoy music. Cities hosting major celebrations include New York City, Los Angeles, Boston, Chicago, Cleveland, Detroit, Madison, Milwaukee, Minneapolis-St. Paul, Nashville, Pittsburgh, Portland (OR), St.