You really can find some unexpected treasures on YouTube ...
Like this Joni Mitchell appearance on The Johnny Cash Show, which aired 40 years ago, in July 1969.
Just about the time of Woodstock, which Mitchell missed, although she wrote a famous song about it later.
Mitchell, then just 25, and Cash make an unlikely pair, but they work nicely together here on "The Long Black Veil."
This actually was Mitchell's second appearance on Cash's program. She sang on the inaugural episode earlier the same season ... as did Bob Dylan.
In fact, the Cash show featured an incredible array of talent during its two seasons.
And there were some truly odd pairings, like Grandpa Jones and Melanie on Season 1 Episode 10. If that performance has made it to YouTube, I'm not going to spend much time trying to find it.
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