I first encountered Zefiro Torna by Claudio Monteverdi for two tenors and continuo in music history class; it must have been the spring of 1993. The recording our professor used was by William Christie and Les Arts Florissants.
But I had to share this rendition by L'Arpeggiata which I simply love. They take the dancy bass line and add the instrumental lines that would later be picked up by other composers (using the same bass, no less), The result here is fun for us, but the performers look like they're having a ball, too.