The album and single 45 were released in the USA and Canada markets in 1980.

The creation of the movie put a name and a face to the girl with the blue backpack made famous by Pedrito's song and soon to be classic films.

[2] Thirty years later as Pedro Fernández performed the song as part of his repertoire at the sold out National Auditorium concert in 2009, the record had already sold over 20 million copies.

[3] In 2016 and more than 39 albums later, the record continues to sell, the title song is still requested at Pedro's concerts.

[4] Pedro always obliges his fans at concerts with at least a portion of the song which they all sing along with and to him.