Limiting to titles that have been previously released in Quad and/or modern surround formats.
Streisand - Stoney End, Barbra Joan, Way We Were, Butterfly, Lazy Afternoon, Funny Girl and Funny Lady (movies). Live at Forum was also released in Quad, but would be near pointless released with old quasi-Quad mix.
Paul Simon - s/t, Rhymin' Simon, Still Crazy, You're the One and Bridge (Simon & Garfunkel)
Jim Croce - You Don't Mess, Life & Times, I Got a Name & Photographs & Memories (Greatest comp)
Dave Mason - Like You Never Left, s/t & Split Coconut
Passport (Doldinger) - Hand Made
Janis Joplin - Pearl
Redbone - Message from a Drum
Best of Mountain
West, Bruce & Laing - Why Don'tcha
Synergy (Larry Fast)
Jefferson Airplane/Starship - Volunteers, Worst, Bark, Dragon Fly, Red Octopus & Spitfire
Hot Tuna - s/t, Electric, Burgers, America's Choice & Yellow Fever
Don Ellis Orch - Tears of Joy
Blood, Sweat & Tears Greatest
Zappa - Overnite & Apostrophe
Wendy Carlos - Switched-On Bach
Carpenters - Now and Then & Horizon
Edgar Winter Group - They Only Come Out & Shock treatment
Johnny Winter - Still Alive & Well, Saints & Sinners
Bonnie Koloc (3rd s/t)
Loggins & Messina - Native Sons
Eagles - On the Border & One of these Nights
Gordon Lightfoot - Sundown & Cold on the Shoulder
Judy Collins - Judith
Seals & Crofts - Summer Breeze & Diamond Girl
Joan Baez - Come From the Shadows and Diamonds & Rust
Nilsson Schmilsson
Tomita - Switched On Hit & Rock
More than enough to start