This concept is a cornerstone for digital music collectors, fans of legacy artists, and users of peer-to-peer or file-sharing platforms (though it also applies to legal streaming curation). 1. What Is a “Mega Discografia Completa”? A Mega Discografia Completa refers to a large digital package (usually compressed in .rar , .7z , or .zip format) containing an artist’s or band’s entire recorded output in an organized folder structure.