Madrid Symphony Orchestra
In 1965 a new orchestra, the Orquesta Sinfónica de RTVE, was started.  This made things difficult for the Madrid Symphony Orchestra.  They had to spend a lot of time playing for the Teatro de la Zarzuela. In the 1970s they made a lot of recordings of zarzuelas and Spanish operas.  The recordings were very good, but they did not have much time for orchestral concerts.