What instruments are used in de Ushuaia a la quiaca?

"De Ushuaia a la Quiaca" is not a musical piece, it is a phrase that refers to a journey across Argentina, from its southernmost point, Ushuaia, to its northernmost point, La Quiaca.

Therefore, there are no specific instruments associated with this phrase.

Could you clarify your question? Are you asking about:

* The traditional music of Argentina? If so, you can find information on instruments like the guitar, the charango, the bombo leguero, the quena, and many others.

* A specific musical group or performance? If you have a specific artist or ensemble in mind, let me know and I can help you find information about the instruments they use.

Please provide more context to your question so I can give you a helpful answer!