The "Extra Quality" tag serves as a badge of authenticity, signaling that the file hasn't been compressed multiple times—a process that strips away the "air," "warmth," and "depth" of a recording. How to Identify True High-Quality Audio
High-quality "extra" rips usually come with clean ID3 tags, including album art and year of release. Is MP3 Still the Best Choice? xgorosexmp3 extra quality
The highest possible bitrate for the MP3 format. The "Extra Quality" tag serves as a badge