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Michael Lang, the co-creator and producer of the legendary Woodstock festival, was portrayed by Jonathan Groff in Ang Lee's 2009 film "Taking Woodstock." The movie chronicles the behind-the-scenes challenges and triumphs of organizing the iconic music festival that defined a generation and became a symbol of counterculture and artistic expression in the 1960s. Groff's portrayal captures Lang's passion, determination, and pivotal role in bringing the festival to life.