If you really want to get a sense of how far Arabic culture has penetrated South America, then look at this Dabke line in Buenos Aires.
This was their Bicentennial Day in 2010.
Yet, they deemed it appropriate to have ethnic Arabic Dabke dancing in the middle of their capital Buenos Aires.
Pay attention to (0:14), where you will see fair-skinned blondes in the line. Probably a German-Argentine. But that is not the point. The point is that this has become so mainstream that Dabke is accepted as a part of Argentine Culture.
Clearly, not all these people are Arabic.
But the names of the musicians are amazing:
Percussion: Otto Noah, Augusto Gavilan, Daniel Frias, Emmanuel Pola
Otto Noah?! Augusto Gavilan?! (Source)