Recommendations for really well-recorded music for high-end audio system demo

I have Mofi, Reference Recordings, Shefield Labs, Impex, AP, Blue Note, Mercury Living Presence, and most of the other labels.  In addition to standard 33&1/3, I have 45 rpm, 1/2 speed master, 1-Step, and even a single-sided 4-disc set from Classic (Nora Jones, Come Away With Me)

For straight SQ, the winner air my VTL LPs, a.) Doctor, b.) Josh.   The best 'value' high SQ label is Windham Hill (1/2 speed master by Stan Ricker, Bernie G., etc.)  I listen to one of them most evenings.

Also, @ tubes4good mentioned 'anything on Chesky'.  My Chesky LPs are excellent (~10, or so), but I would give the upper SQ-hand to Harmonia Mundi (the original French records, not the BASF French-German records, which are a step lower in SQ).

You pick, and happy listening...

“Something Else” - Cannonball Adderley with Miles Davis and a great rhythm section of Hank Jones, Sam Jones and Art Blakey. QOBUZ Flac 96/24 or my preference, the vinyl reissue on Blue Note. Rudy van Gelder was the recording engineer and his work is highly respected. Look for other van Gelder albums on Blue Note and Verve by your favorite jazz artists for generally excellent sonics. Natural sound of the instruments, great placement in the soundstage and this album is simply among the best jazz albums I own. Sounds like they’re playing in your listening room.  
 

“Kind of Blue” - Miles Davis with John Coltrane, Cannonball Adderley and a rhythm section of Bill Evans or Wynton Kelly, Paul Chambers and Jimmy Cobb. 192/24 on Qobuz or my favorite, a Columbia Legacy vinyl reissue in the 2000’s. My rationale is the same as for Something Else. 
 

For well recorded timeless jazz these albums are hard to best in my opinion. 

Any vinyl on the Command label produced by Enoch Light

Music1/Edgar Knecht/Good Morning Lilofee (24-96)/04 - Maria.flac
Music1/Hans Theessink/Lifeline/Six Strings Down.flac
Music1/Various Artists/HDtracks 2023 Hi-Res Sampler [192kHz · 24bit]/12 - String Quartet in G Major, Op  77, No  1, Hob III 81  Lobkowitz   IV  Finale  Presto.flac
Music1/Dave Holland/Hands/Various - Hands.flac
Music1/Edgar Knecht/Good Morning Lilofee (24-96)/03 - Thule.flac
Music1/Norah Jones/Come Away With Me (Limited Edition, Disc 1)/Norah Jones - 12 - Nightingale.flac
Music1/Cecile McLorin Salvant/Mélusine [96kHz · 24bit]/01 - Est-ce ainsi que les hommes vivent.flac
Music1/Brian Culbertson/Live From the Inside/01 Get It On.flac
Music1/Best Audiophile Voices/Best Audiophile Voices V (XRCD)/08. Bridge over troubled water - Eva Cassidy.flac
Music1/Cantoma/Cantoma/01 Cantoma - Marisi.flac
Music1/My Federation/Don't wanna Die/My Federation Don't Wanna Die 10.Tom Tom.flac
Music1/Manu Katché/Third Round/7-Out Take Number 9.flac
Music1/Manu Katché/Third Round/11-Urban Shadow.flac
Music1/Manu Katché/Playground/05 Manu Katché - Morning Joy.flac
Music1/Various Artists/Audiophile Reference IV/Georgia on My Mind.flac
Music1/Brian Bromberg/Wood/03 Come Together (Lennon,McCartney) - Brian Bromberg.flac
Music1/Hans Theessink/Songs from the Southland/Hans Theessink Songs from the Southland 05.From Four Til Late.flac
 

Cowboy Junkies - The Trinity Session