Ozono is the Spanish cultural magazine published between 1975 and 1979. It took part in the dissemination of the counterculture and underground in Spain along with other magazines like Ajoblanco and Star during the Spanish Transition. (wikipedia)

1979 April

No. 43


Tres oras y media con Frank Zappa
By Jorge Muñoz, pp 53-55

Javie Marcote: "Three pages with the review of the two shows that FZ performed in Madrid on March 14, 1979 with the title of "Three Hours & A Half With Frank Zappa". There were incidents between attendees and police."

Source: Javier Marcote