Yes, physical media. The Korean import CD of PSY 6 (Six Rules) is readily on eBay or Discogs for under $15. Rip it yourself using Exact Audio Copy (EAC) to create a perfect FLAC. This is the most future-proof method.
Finding legitimate FLAC copies of older K-pop releases can sometimes be challenging due to regional licensing restrictions. However, several reliable avenues exist for audiophiles looking to add the lossless file to their local libraries. High-Resolution Digital Music Stores psy gangnam style flac