en.wikipedia.org/wiki/Quadraphonic_sound

Quadraphonic sound – equivalent to what is now called 4.0 surround sound – uses four .... In addition, San Francisco classical music station KKHI broadcast the San Francisco Opera in "compatible" (that is, matrix-encoded) quadraphonic  ...

www.wired.com/story/suzanne-ciani-live-quadraphonic

May 31, 2018 ... A new recording by synthesizer artist Suzanne Ciani is being ... the "Music Mode" setting, it does a decent job of recreating Ciani's quad mix.

rateyourmusic.com/list/groonrikk/quadraphonic-1970s-rock-albums-4_0-surround

I was curious about how much music was issued in Quadraphonic during that short span ... But I do have a 5.1 Surround collection that may be of some interest.

blog.joshuadsites.com/2017/04/17/what-ever-happened-to-surround-sound-music

Apr 17, 2017 ... But surround sound music seems like such a natural evolution, ... contain quadraphonic sound and it is allowed (but under-specified) in ... Things tend to be most interesting, it seems to me, when artists ... In the West, our music listening traditions are deeply rooted in musicians being collected together in ...

www.quadraphonicquad.com/forums/index.php

DIGITAL SURROUND MUSIC RELEASE LISTS (2009- ) ... A place to research quad and multichannel information regarding hardware .... Surround Artists/ Engineers/Producers ... What's the Latest Stereo (or Mono) SACD in Your Collection?

www.currybet.net/cbet_blog/2008/01/quadraphonic-the-forgotten-sur.php

Jan 2, 2008 ... Quadraphonic is the forgotten surround sound system of the 1970s. ... when I was writing about the aborted attempt of the music industry to put ...

www.surrounddiscography.com/quaddisc/quadpall.htm

Jul 23, 2017 ... This is a list of popular quadraphonic recordings on vinyl, cassette, 8-track and reel to reel. Popular recordings include music from all countries and include ..... United Artist Record [2 LP] 4D-28/29 (CD4) [Japan] Never, Never, Never. ..... Action Screen Music Collection Philips 4DX-25 (CD4) [Japan], Sung ...

www.pinterest.com/perry_nestel/surround-soundquadraphonic-old-n-new

Speaker placement for home theater: and other surround sound setups .... Phantom Productions reel to reel tape recorder 1908 ad collection .... Tape recorderRecorder MusicTurntable ReceiverMusic (Recording) StudioCd audio Audio ..... Various Artists - Project 3 Popular Science Test Record: To Set Up/ Calibrate/Check ...

www.discogs.com/lists/QuadSurround-Demos-Tests/368790

Quadraphonic & surround demonstration, sampler, and test records, tapes, ... No Artist, Sansui All Stars - Sansui 4 Channel Record For Test & Demonstration.