This video comes from towards the end of his life by which time his voice was even more ragged than it ever was. Then again, it's not the voice that matters so much as the songwriting and the haunting, elegiac, melancholy that makes Townes van Zandt one of the great American songwriters of the past 50 years. In any genre.
Here he is then, performing the classic Tecumseh Valley. Lean, spare and magnificent: