Gavin will be performing live tonight in Central Park's East Meadows in New York City to celebrate the public premiere of Ken Burns' new PBS series "The National Parks: America's Best Idea!" Additional performers include Alison Krauss, Carole King, Counting Crows and Augustana. The show begins at 7 p.m. and is free and open to the public.

So please join Gavin and Ken Burns for this special event celebrating and paying tribute to our national parks.

"The National Parks: America's Best Idea" premieres on PBS September 27, 2009. Check out www.pbs.org for local listings.

You can visit FeelFree.org for more information on "The National Parks: America's Best Idea."