Yes u have to pay
Yes, you just have to pay for them to play
I believe it's $8 per song.
Yes but they expect tips
Yes. It's not free though.
They are not Mariachis, there are only trios. Mariachis play weekends at the Mariachi Bar and it's free. But in my country the musicians charge 10 dollars per song
Yes they do
But if they are playing for someone else then you get to hear them for free
Yes
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