This is the most critical section for collectors. The internet is flooded with "FLAC" files that are actually upscaled MP3s. Because Tool has historically been resistant to digital distribution (their catalog only came to streaming services in 2019), finding a legitimate requires caution.
A skeptic might argue that 10,000 Days was mixed for a standard car stereo. That is false. Joe Barresi mixed this album for revealing studio monitors. The difference between a 320kbps MP3 and a is the difference between looking at a painting through a dirty window and standing in front of the canvas. tool 10000 days flac