: Due to the nature of .rar files from unverified sources, it is recommended to scan the contents with antivirus software before execution, especially if it contains executable files ( .exe ) rather than media.
: A digital booklet (PDF) containing the original Italian text by Lorenzo Da Ponte alongside English translations.
: High-quality audio (MP3/FLAC) or video (MP4/MKV) of a specific production, such as the legendary 1954 Salzburg Festival performance conducted by Wilhelm Furtwängler or a modern Metropolitan Opera staging.
: PDF sheets for the orchestra, vocalists, and continuo.