I always dug Jerry Garcia’s voice and I think it’s perfect for delivering this song. Intuitively Garcia got this song, and you hear it.
Some great guitar playing on some of these versions too.
Here’s a studio recording of “Visions of Johanna” by Garcia.
Here’s the Grateful Dead doing “Visions of Johanna” live, The Spectrum, March 18, 1995, Philadelphia, PA:
And a version from the Dead at Hampton Coliseum, March 19, 1986, Hampton, VA: