Possible Clues:

• Christina Aguilera's "___ Siempre Tu"
• '___ favor, senor'
• By, in Baja
• Neighbor of ESP, in the Olympics
• With 48-Down, for example, south of the border
• Iberian land, in Olympic shorthand
• First-day-of-Spanish-class word
• By, in Barcelona
• __ ejemplo: Juan's "for example"
• '-- favor' (please)