In short, to stay on the right side of the law, on the Internet Archive.
The legality and ethics of downloading music repacks heavily depend on the nature of the content being distributed. internet archive flac music repack
A repack is a community-driven initiative. Volunteers download raw, disorganized, or poorly tagged audio files from the Internet Archive. They then apply strict quality control standards to transform the raw data into an optimized library. What Does a FLAC Music Repack Fix? In short, to stay on the right side