Musica Por Cortesia has been played on NTS shows including OnoTesla, with Alegato/Escaramujo first played on 18 November 2023.

Musica por Cortesia was a band from Spain that played avant-garde music. The band had among its members the famous Victor Nubla, one of the original members of the laboratory group Macromassa. Their self-titled cassette was released in 1984 on Laboratorio de Música Desconocida.