Oh, Susanna,

Question

Oh don't you cry for me
For I come from Alabama
With my banjo on my knee
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What is the meaning of the sentences?
1. Don't cry for me, because I've come from Alabama with my banjo on my knee.

2. Are you crying now? Don't do that, because I've come from Alabama with my banjo on my knee.

3. Do you want to cry for me? You don't need to do so, because I've come from Alabama with my banjo on my knee.

4. What else.........