The song has a very pretty melody :)
This is a sad song about young love.
It talks about a couple in Puerto Rico (Angelita and Manolito)
Angelita's father does not like Manolito because he steals and fights and does not behave properly, but Anjelita knows that Manolito is a better person than his reputation shows him to be.
Angelita sneaks out of her house to see Manolito before he is leaving to work in the USA.
Manolito promises that he will write Angelita every day and when he can, he will come back to take Angelita with him.
At the end of the song, Angelita gives Manolito a medal that she wears as a necklace.