Editing Quadraphonic sound (section)

==Live concerts==

[[File:Azimuth Co-ordinator used by Pink Floyd VA.jpg|thumb|Azimuth Co-ordinator used by Pink Floyd, made by Bernard Speight, 1969 (Victoria & Albert Museum, London)]]
In 1967 the group [[Pink Floyd]] debuted its custom-made quadraphonic speaker system and performed the first-ever surround-sound rock concert. This event was named "[[Games for May]]" and was held at London's [[Queen Elizabeth Hall]].<ref>[https://www.wired.com/thisdayintech/2009/05/dayintech_0512/ "May 12, 1967: Pink Floyd Astounds With 'Sound in the Round{{'"}}], ''[[Wired (magazine)|Wired]]'', May 12, 2009</ref> A control device they had made, the [[Azimuth Co-ordinator]], used dual [[joystick]]s. It is now displayed at London's [[Victoria and Albert Museum]], as part of their Theatre Collections gallery.<ref>{{cite web | url =http://www.pinkfloyd.co.uk/ | title =pink floyd | access-date =2009-08-14 | archive-url =https://web.archive.org/web/20090318173313/http://www.pinkfloyd.co.uk/ | archive-date =2009-03-18 | url-status =dead }}</ref> The controller, which was usually operated by [[Richard Wright (musician)|Richard Wright]], allowed the musicians to place sounds in any speaker and move them around the listening area.