The Rifftides post about radio has taken on a life of its own with a chain of reader comments. To catch up with them, go here, and feel free to add yours.
One of those commenters, the veteran audio engineer (and discriminating listener) Jim Brown, has launched an internet page. He intially designed it as an aid for a jazz appreciation class he taught. Several sections serve as guides to listening, reading and viewing, complete with helpful internet links. You will find it here