The answer is a compromismo
Here in U.S we sing the Happy Birthday song but in Mexico they sing las mananitas when is some ones birthday , and because they don't really know any other song that they can sing in a birthday party and the song is really popular in birthday party .
¿Cómo se llama usted?
when I was in Spanish class we had to make it proper when first meeting an elder, so we used "usted."
If your trying to translate this to English it means, cracteristics physics of engineer andrade
