Associated Independent Recording ones. The studios contained two Bösendorfer pianos, many soundproof booths, and a 56-channel mixing console, custom-designed by Neve to AIR's specification. The company built another recording studio on the Caribbean island of Montserrat in the mid 1970s. In 1986, the facility was described as such: Jimmy Buffett recorded "Volcano" at the Montserrat studio in May 1979, naming the album and its title song for the then dormant Soufrière Hills volcano on the island. Elton John recorded three albums at the Montserrat studio in the 1980s. Dire Straits recorded their successful "Brothers in Arms" album between 1984 and 1985. Other artists
Volcano in Germany, Shiprock in New Mexico, and Zuidwal volcano in the Netherlands. Edinburgh Castle in Scotland is famously located atop an extinct volcano. Otherwise, whether a volcano is truly extinct is often difficult to determine. Since "supervolcano" calderas can have eruptive lifespans sometimes measured in millions of years, a caldera that has not produced an eruption in tens of thousands of years is likely to be considered dormant instead of extinct. Some volcanologists refer to extinct volcanoes as inactive, though the term is now more commonly used for dormant volcanoes once thought to be extinct. It is difficult to distinguish