here's a description from deadvids.com community.deadvids.com/video/garcia-saunders-unknown-song
"12-28-72 The Lion's Share, San Anselmo (audio only; with Roger "Jelly Roll" Troy on bass; this show is sometimes listed as 12-20-72, but other lists say their show on that date was in Berkeley. who knows. cool song though, including some amazing fretwork by Garcia)"
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