It's often worth 5 minutes of searching of a favourite artist. Just ran through the Tidal library of Maria Callas and out of a total listing of 198 albums I've just tagged 39 that are MQA.

Geoff

861v4-LPS, ID40, MC200, Roon, Tidal
DSP7000, DSP5200HC, DSP5000.3, Oracle Delphi IV, SME V, Dynavector DV17mk3.
Mac Mini(2010), Synology NAS/Plex Server
Schitt Lyr, Audeze LCD-2, Sennheiser HD800, Beyer Terminator v4.
Oppo BDP-93/Vanity93Lite, Sony PW-10, Grandview 100" screen