@support, when adding Bartok Piano Concertos to roon, many (if not most?) are being assigned the two piano transcription version rather than the original orchestrated version. Here is an example with György Sándor:
And again with John Ogdon:
When I check on Qobuz it is not like that:
To me this looks like something on the roon end effecting a lot of Bartok Piano Concerto performances.