Although he died more than 40 years ago, there is continuing interest in Tim and his songs.
His Wikipedia entry provides a good overview of his life and work.
For performances by Tim of some of his own songs - together with numerous cover versions - YouTube is the place to go.
And "NO", Rod Stewart didn't write "Reason to Believe".
To play this in YouTube click on the button in the middle of the picture. When you start to play you will have access to the relevant YouTube controls.
If you have a fast Internet connection and you would rather not play this using YouTube, just click the still above.