Usually a sequence of 10 to 20 sonatas (e.g., K. 420 through K. 440). Formats:
Often includes a .txt or .nfo file listing the performer, instrument (harpsichord vs. piano), and recording date. Common Metadata Patterns Scarlatti_Sonatas_v29.rar
PDF scans if it is part of a pedagogical library. Usually a sequence of 10 to 20 sonatas (e