Based on standard recording lengths, a multi-part archive titled "part3" suggests a very large project. It likely includes:
The ".part3" indicates this is the third volume of a split archive. You generally cannot open or extract this specific file on its own; you must have all other parts (e.g., part1 and part2) in the same folder to reconstruct the complete "Nutcracker Symphony" content. Nutcracker_Symphony.part3.rar
Multi-part RAR files are common for 24-bit/192kHz master recordings or SACD rips that exceed standard file size limits for cloud sharing or email. Based on standard recording lengths, a multi-part archive
If the archive is split chronologically, part 3 often contains the "Divertissement" (including the famous "Chocolate," "Coffee," and "Tea" dances) and the "Waltz of the Flowers." Multi-part RAR files are common for 24-bit/192kHz master
Once extracted, you can view the ID3 tags (artist, conductor, orchestra, and year) by right-clicking the file and selecting "Properties" (Windows) or "Get Info" (Mac).
Change song and CD information in Music on Mac - Apple Support