Because it is lossless, FLAC is the industry standard for backing up physical CD collections.
A great all-rounder for mainstream hits and obscure finds alike, with a very clear "Hi-Res" tagging system. flacmusicfinder
: A high-end streaming and download service that specializes in Hi-Res audio, offering a vast catalog of CD-quality and better-than-CD-quality music. Because it is lossless, FLAC is the industry