Some links from today's discussion:
Non-Fungible Tokens Explained: "There’s nothing like an explosion of blockchain news to leave you thinking, “Um… what’s going on here?” That’s the feeling I’ve experienced while reading about Grimes getting millions of dollars for NFTs or about Nyan Cat being sold as one. And by the time we all thought we sort of knew what the deal was, the founder of Twitter put an autographed tweet up for sale as an NFT. Now, months after we first published this explainer, we’re still seeing headlines about people paying house-money for clip art of rocks — and my mom still doesn’t really understand what an NFT is." By Mitchell Clark, from The Verge.
What is an opus number? "In musical composition, the opus number is the "work number" that is assigned to a musical composition..." From Wikipedia
"Lat.: ‘work’; Fr. oeuvre; Ger. Opus; It. opera...Generally, numbers were not applied until publication, and then often by the publisher, not the composer. In the absence of corroborating information, opus numbers can never be relied upon to establish the chronology of a composer’s works. " From Oxford Music Online
What is a derivative work?
"May I make a new arrangement of a copyrighted musical work without violating the copyright?" MTNA Copyright Guidelines for Music Teachers