I boosted the sound of several teams who were reading the clue, and here's what the Detour clue says:
Mariachi Madness: Make your way on foot to Plaza Garibaldi and search the crowd for a mariachi that is pretending to play.
Great Bulls of Fire: Make your way on foot to the homo... (Cole cuts off) and light up a churito (he cuts it off).
Plus, here are the Detours chosen via the vid and the sighting:
Jessica & Brittany: Bull
Brodie & Kurt: Mariachi
Marty & Hagan: Unknown
Erin & Joslyn: Unknown
Burnie & Ashley: Unknown
Matt & Dana: Mariachi
Cameron & Darius: Unknown
Scott & Blair: Bull
Zach & Rachel: Unknown
Sheri & Cole: Mariachi
Thanks for the pics Xarles!