Since 2010, cellist Dale Henderson has been dedicated to honoring Johann Sebastian Bach's birthday by performing his work in subways, parks, cafes, bus stops, public spaces, zoos and concerts open to everyone -- all the while declining donations and passing out free souvenir postcards inviting people into the world of classical music. This March 19 through the 21, marks the sixth annual run his of 'Bach in the Subways' in New York, invovling thousands of musicians across the world for a new tradition celebrating Bach's 2016 birthday on the final day of the celebration.