Op55.7z

7z uses the LZMA and LZMA2 algorithms , which generally offer much better compression ratios than the standard ZIP format—often 30–70% better .

The following article explains the two distinct components of this file: the (the container) and the Opus 55 musical works (the content). 1. Understanding the File Format (.7z) OP55.7z

The 7z format specification is modular and supports extremely large file sizes (up to 16 exbibytes) and Unicode filenames. 2. The Content: Chopin’s Nocturnes, Op. 55 7z uses the LZMA and LZMA2 algorithms ,

The .7z extension indicates a compressed archive created using 7-Zip, a free and open-source file archiver. a free and open-source file archiver.