In '72, I was listening to:
These surround releases were usually released later than '72
Connection - Don Ellis
Santana w/Buddy Miles SQ/Q8/SACD
Caravanserai - Santana SQ/Q8
Catch Bull at Four - Cat Stevens Q8
There's a Riot - Sly
Living in the Past - Tull
Last Days & Time - EWF
New Blood - BS&T
On the Corner - Miles
Honky Chateau - Elton John SACD
Icarus - Paul Winter/Winter Consort (later Oregon)
Big Bambu - Cheech y Chong
Chicago V SQ/Q8/BD DVD-A is 5.1 mix
Still Bill - Bill Withers
Azteca SQ/Q8
Can't Buy a Thrill - Steely Dan QS/Q8
Buzzard Luck - Ballin'Jack
America (1st)
Country Wine - Raiders
Summer Breeze - Seals & Crofts CD-4/Q8
Birds of Fire - Mahavishnu Orch SQ/Q8/SACD
Primal Roots - Sergio Mendes
Age of Steam - Gerry Mulligan DVD-V
A Song for You - Carpenters Q8/CD-4 (Japan)
Music of My Mind & Talking Book - Stevie Wonder
It was the year I gave up radio and programmed my own listening.