Vocals: Javier Arias - Producer: Jesús El Viejo Rodríguez - Executive Producer: Universal Music - Recording Producer: Jesús El Viejo Rodríguez - Recording Engineer: Jesús El Viejo Rodríguez - Mix Engineer: Jesús El Viejo Rodríguez - Mastering Engineer: Jesús El Viejo Rodríguez - Programmer: Jesús El Viejo Rodríguez - Acoustic Guitar: Jesús El Viejo Rodríguez - Electric Guitar: Jesús El Viejo Rodríguez - Bass Guitar: Jesús El Viejo Rodríguez - Drums & Percussion: Lee Levin - Voices: Giannina Morínigo - Voices: Jesús El Viejo Rodríguez