According to this thread 92% of all CDs play with inverted polarity (I heard similar stats before).
https://www.head-fi.org/threads/all-tracks-on-approximately-92-of-compact-discs-cds-play-in-inverted-polarity-on-approximately-92-of-compact-disc-players.793663/
The take home message...........By he time all of the tracks on an album are mixed no one knows what the correct phase was. And lots of times the mixers will intentionally invert the phases because they think it sounds better.
https://www.head-fi.org/threads/all-tracks-on-approximately-92-of-compact-discs-cds-play-in-inverted-polarity-on-approximately-92-of-compact-disc-players.793663/
The take home message...........By he time all of the tracks on an album are mixed no one knows what the correct phase was. And lots of times the mixers will intentionally invert the phases because they think it sounds better.