Castillo de Cera by Dvicio is a song about embracing the contradictions of life and learning to accept yourself. The lyrics explore the idea of being your own enemy, and how it can be liberating to break away from the expectations of society. The song encourages listeners to find strength within themselves and to recognize that even though life can be difficult, it can also be beautiful. The chorus emphasizes this message, with the singer declaring that even though he is broken on the outside, he is alive on the inside.

Dvicio is a Spanish pop group from Madrid, Spain. The group consists lead singer Andrés Ceballos, with the other members being bass guitarist Martín Ceballos, guitarists Nacho Gotor, Alberto González, and drummer Luis Gonzalvo. Dvicio stated that during their childhood, the group were close friends who decided to form a group. In 2014, they released their debut single, "Paraiso," which quickly became a hit in Spain. The success of the single led to the release of their debut album, "Enamorate," in 2015. Since then, Dvicio has released several more albums and singles, including "Justo Ahora", "Qué Tienes Tú", and "Impulso". They have also performed at numerous festivals and concerts around the world. With their catchy melodies and heartfelt lyrics, Dvicio continues to captivate audiences everywhere.