As a rough and ready measure I get 10% of my favourited MQA albums on Tidal are Classical according to Roon.

Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.