After studying in Paris with a famous composition teacher, Charles became the most successful writer of TV theme songs.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
The "All I Want" singer went through a long depression, playing some shows when he didn't want to be alive.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.
Dan cracked the Top 40 with "Ritual," then went to India and spent 2 hours with the Dalai Lama.
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.