Music history lesson: You will notice that the traditional "Little Sadie" shares some of the same lines from Johnny Cash's "Cocaine Blues"... the first song is ominous and haunting; the second song more whimsical and defiant.
Both versions are great.
Warnings for woman-killing, drugs, etc.
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Little Sadie - Grateful Dead (acoustic, live in Austin, TX 2/23/70)
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Cocaine Blues - Johnny Cash