Several songs emerged from this work that became emblematic. "Rasguña las piedras" is undoubtedly one of the most remembered, along with the title track, Confesiones de invierno. "Aprendizaje" and "Lunes otra vez" also consolidated as anthems that resonated in gatherings and campfires, integrating into the cultural fabric of Argentina. Most of the compositions bear the signature of Charly García, who here consolidated his role as the group's main musical architect. The quality of the sound and the richness of the compositions led many to consider this album a step forward from their previous work.
The album is a reflection of a moment of growth for Sui Generis, where experimentation merged with the ability to create catchy melodies and lyrics that connected with the audience. The structure of the songs became more complex, but without sacrificing emotional connection, a balance that is appreciated in each of the nine tracks that make up the tracklist.