False. Mariachi's sing pretty much bout everything you tell them.
Umm what exactly does he say?
Cuando tu comes, es bueno a comer mucho vegetales y frutas. ¡Granos son bueno para tu cuerpo también! Tienes que comer mucho carne para que tus músculos crezcan.
(sorry if my spanish is bad, i don’t usually spell like this in spanish haha)
The History of Mexico (La Historia de Mexico) was Diego Rivera's most famous fresco (mural) in the National Palace, I believe. I think that work is what this is referring to.
