Hot Tuna is Jorma Kaukonen and Jack Casady from JA. A highly recommended single layer 5.1 SACD is Jorma's Blue Country Heart. IMHO, Hot Tuna is not metal or prog, more of a folk blues act. BTW: their management and record company talked them out of their original name: Hot Shit.
A few more prog and metal released as Quads, not listed above and not yet on 5.1 (apologies if I repeated any from above):
Ash Ra Tempel (a German Krautrock group) -
Communication – The Best Of Ash Ra Tempel
Inventions For Electric Guitar
PDU PLD
Join Inn
Seven Up
Starring Rosi
Argent - In Deep
Azteca
Babe Ruth (Dutch band-highly recommended!)
Bachman Turner Overdrive -
Bachman Turner Overdrive (I)
II
Four Wheel Drive
Head On
Barclay James Harvest -
Once Again
The Harvest Years
Beck, Bogert & Appice - Live (CD is SQ encoded)
Caravan - For Girls Who Grew Plump in the Night
Canned Heat - Future Blues (it DOES exist on Q8)
Chase (self titled) (Most CD's are SQ encoded)
Pure Music (Most CD's are SQ encoded)
Chicago -
Chicago III
Chicago VI
Chicago VIII
Chicago IX (Greatest Hits)
Chicago X (DVD-A on test pressing only) (GREAT in 5.1 and SQ/Q8 Quad mixes!)
Country Joe & the Fish - Life and Times from Haight-Ashbuy to Woodstock (2 LP)
Deep Purple -
Stormbringer
Anthology (2 LP EMI)
Rick Derringer -
All American Boy
Spring Fever
Doors - Best of (all but live track available in 5.1 on Perception & individual SACD's - Quad mixes are different)
Emerson, Lake & Palmer - Welcome Back My Friends...
Focus -
Live at the Rainbow
Moving Waves
Grand Funk Railroad -
All the Girls in the World Beware
Shinin' On
We're An American Band
Humble Pie - Smokin
James Gang - Miami
Jefferson Airplane -
Bark
Volunteers
Jefferson Starship -
Dragon Fly
Red Octopus
Spitfire
Paul Kantner & Grace Slick - Sunfighter
Kraftwerk - Autobahn
Mahavishnu Orchestra -
Birds of Fire
Between Nothingness & Eternity
Mama Lion - Preserve Wildlife (you guys will love the cover!)
Lee Michaels - Nice Day for Something (highly recommended)
Mountain -
Best
Live
Flowers of Evil
Avalanche
Popol Vuh (German avant-garde) -
Aguirre
Einsjager & Siebenjager
Hosianna Mantra
In Den Gärten Pharaos
Perlenklange
Seligpreisung
Yoga
Redbone -
Beaded Dreams...
Message from a Drum (recommended)
Santana -
I
III
Welcome
Greatest Hits
Borboletta
Lotus (CD's are SQ)
Amigos
Festival
Carlos Santana & Buddy Miles Live! (not to be missed)
Carlos Santana & Alice Coltrane - Illuminations
Savoy Brown - Jack the Toad
Steely Dan - Pretzel Logic
Tangerine Dream -
Alpha Centauri
Atem
West, Bruce & Laing -
Why Dontcha (excellent!)
Whatever Turns You On
Live n Kicking
Edgar Winter Group -
Shock Traetment
Edgar Winter Group w/Rick Derringer
Johnny Winter -
John Dawson Winter III
Saints & Sinners
Bill Wyman - Monkey Grip
Hot Tuna was an offshoot of Jefferson airplane, some members of JA in it.
Guess Who is sacd mc on a AF production out or soon released.