Spain and Mexico have many songs about the Three Kings or Magi. They deliver gifts to children, not the Santa Claus of the English-American tradition.
"Los Reyes Magos de Humada," a very long poem-song
"Los Reyes de Ordejón de Abajo"
"Los Santos Reyes"
These three traditionals and others at: http://www.arrakis.es/~turmodigos/newcan4.htm
Los Reyes Magos

"Los Tres Santos Reyes," with midi:
http://www.elboricua.com/losreyes.html
Los Reyes