At least two concerts (complete) exists pro-shoot recorded ,two have been exhibited, Monterrey '81 it was broadcasting(few weeks ago) in a university channel in Nuevo Leon(not a national transmission) , Puebla '81 it was exhibited (not for sale) in a Queen exposition in Mexico City (videos exist, just...just wait!)
Spanish answer on Sharing The Music - Announce section ;)
And as the seasons turn the days to years
She holds her pictures, hears the silent cheers
The days grow lonely for the dancing Queen
And now she dances only in her dreams...