Since 1976 the tradition of Macy's fireworks took place on the East River in Manhattan. This year to commemorate the 400th anniversary of the exploration of the Hudson River by Henry Hudson, the 2009 Macy's July 4th Fireworks extravaganza took place on the Hudson River,
This year's fireworks featured more than 40,000 shells exploding at a rate of more than 1,500 per minute.
The fireworks were synchronized to a score of patriotic standards, classic river-themed works, and original music. Performances by the New York Pops and Broadway superstars Audra McDonald and Idina Menzel performed.