Big Railroad Blues

See if you can spot them in their disguises

https://www.youtube.com/watch?v=az-VHhGaEHU

Once they quit farting around and play, they are rather tight.

But for all that everyone seems to love Grateful Dead's live work, I am much more a fan of their studio recordings.  There's a precision of harmony they got in those controlled conditions.  And I don't think that it couldn't be replicated live on stage, I think they wanted something else for their concerts.  Someone has described a Grateful Dead concert as a "group meditation with the audience."  That may have been a peak experience if you were there, but after-the-fact, it simply does not sound as good.  Compare:

https://www.youtube.com/watch?v=-voC5IrYeAA