Did You Know?
Most of the songs in the series are preformed by Fran Perea
(Marcos), Santa Justa Klan (the music group composed of the youngest actors in Los Serrano) and El Sueño de Morfeo. See more
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Written by Mikel Erentxun
, J.M. Corman and Álex Pina
Performed by Fran Perea See more