Possible Clues:

• Fly back with ordinary character following Sierra
• ''Dancing With the Stars'' step
• One of the letters of NATO, in the NATO alphabet
• Dance to 'La cumparsita'
• Dance originally from Buenos Aires
• 'Strictly Come Dancing' dance
• Passionate partner dance
• Brown to depart for a dance
• Beginning to try a new turn in dance
• Dance seen in 2-Down