text:  And when they go on to sing this, it's sung in Catalonian. It's the type of song that they call canta de ida y vuelta, or a song of departure and return in flamenco terminology. Tell us what that is and what it was like hearing that song in this setting. Canta de ida y vuelta relates to the type of flamenco, of music that came from Spain to the New World, to the Americas,