I?ve Got Four Ears to Hear You is the only available dedicated guide to collecting and valuing the 750+ quadraphonic Rock, Soul, R&B, Funk, Kraut Rock, Folk And Jazz-Rock albums released worldwide during the 1970s. From Absolute Elsewhere and Aerosmith to Frank Zappa and ZZ Top, via Pink Floyd, John Lennon, Mike Oldfield and Simon & Garfunkel, the guide details quadraphonic vinyl releases from the US, UK, Japan, Germany, Italy and more. includes details of non-vinyl releases on 8-Track and reel-to-reel. Quadraphonic bootlegs, radio transcription discs, 45s and EPs. Modern surround sound reissues of key quadraphonic titles Top 30 quadraphonic rarities.