How many ...

How many times shall I listen to this song and still believe that I didn't do it too many?

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how many years can some people exist
Before they're allowed to be free?
Yes, `n' how many times can a man turn his head,
Pretending he just doesn't see?
The answer, my friend, is blowin' in the wind,
The answer is blowin' in the wind.
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I'm not a great admirer of Dylan's voice. But this song I think he sang with all his heart and soul.