Dr Bernie Krause is a musician, naturalist and author exploring the world of soundscape ecology, bioacoustics and natural sound. During the 1950s and 60s, he devoted himself to music and replaced Pete Seeger as the guitarist for The Weavers. For over 40 years, Krause has travelled the world recording and archiving the sounds of over 15,000 species, from creatures and environments large and small. In 1968, he founded Wild Sanctuary, an organization dedicated to the recording and archiving of natural soundscapes. He is the author of The Great Animal Orchestra and lives in California.