David Denny recorded the promo/opening song for "A Fierce Green Fire" which was featured on American Masters while the documentary was still being worked on. Written and produced by George Michalski. He also performed the original full narration for the film which was replaced by Robert Redford, Meryl Streep and Ashley Judd in the final version.

Official documentary link & description: https://www.afiercegreenfire.com/trai...

“A FIERCE GREEN FIRE: The Battle for a Living Planet is the first big-picture exploration of the environmental movement – grassroots and global activism spanning fifty years from conservation to climate change. Directed and written by Mark Kitchell, Academy Award-nominated director of Berkeley in the Sixties, and narrated by Robert Redford, Ashley Judd, Van Jones, Isabel Allende and Meryl Streep, the film premiered at Sundance Film Festival 2012, has won acclaim at festivals around the world, and in 2013 begins theatrical release as well as educational distribution and use by environmental groups and grassroots activists. Inspired by the book of the same name by Philip Shabecoff and informed by advisors like Edward O. Wilson, A FIERCE GREEN FIRE chronicles the largest movement of the 20th century and one of the keys to the 21st. It brings together all the major parts of environmentalism and connects them. It focuses on activism, people fighting to save their homes, their lives, the future – and succeeding against all odds. Surrounding these main stories are strands like environmental justice, going back to the land, and movements of the global south such as Chipko in India and Wangari Maathai in Kenya. Vivid archival film brings it all back and insightful interviews shed light on the events and what they mean. The film offers a deeper view of environmentalism as civilizational change, bringing our industrial society into sustainable balance with nature.” – Film overview (https://www.afiercegreenfire.com/about/)