"Duties concern things that are voluntary. I do think that if you have a moral duty to bring me back the book you borrowed, that implies, roughly, that your doing so depends on your wanting to do so: if you want to bring me the book, you will. This is not the case if you are stuck at some airport due to a snowstorm, far away from me. This, however, is not the same as "ought" implying a metaphysical "can"."

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There's definitely a melancholic ingredient in our concerts in the United States versus in other places. Many times people feel far away from their place of origin, from their traditions, from their people. And in a way, Café Tacvba's music brings them memories. It seems to connect them with all that they miss, because the concerts are very emotive and have lots of energy. We're very fortunate to have our music connect in that way.

— Ruben Isaac Albarran Ortega