Listen to Érase una Vez un Ordenador online. Érase una Vez un Ordenador is an Instrumental language song and is sung by Atención Plena. Érase una Vez un Ordenador, from the album Música para Programadores: Música de Piano Relajante y Sonidos de la Naturaleza, was released in the year 2019. The duration of the song is 4:01. Download Instrumental songs online from JioSaavn.