Orphan works are works whose copyright owner cannot be identified or located after a reasonable search, which is why licensing becomes possible only through special legal pathways or programs designed for these uncertain ownership situations. The idea is that, without a identifiable rights holder to approach for permission, standard licensing isn’t feasible, so publishers may pursue orphan-works provisions, registries, or other statutory routes where available, while documenting the diligent search performed. This term specifically captures the scenario described in the question—ownership uncertain and no rights holder locatable. The other options aren’t about locating an owner: derivative rights refer to permissions around creating new works based on the original; net receipts is a financial measure; an exclusive license is simply a license that grants exclusive rights to a party, not a description of the ownership-search problem.

In Canada, royalties are handled by organizations that specialize in different rights. For performing rights—that is, the right to perform a song publicly and collect related royalties—the main body is SOCAN, the Society of Composers, Authors and Music Publishers of Canada. For mechanical rights—the right to reproduce a musical work in copies, including downloads and physical copies—the relevant administrator is CMRRA, the Canadian Musical Reproduction Rights Agency. These two together cover the two primary streams of royalties musicians and rights-holders typically receive in Canada. The other options list organizations that operate in other countries (the United States, the United Kingdom/France, Italy, Germany) and don’t manage Canadian royalties.

Moral rights protect the author's personal connection to the work, not its monetization. They include the right to be identified as the author (attribution), the right to remain anonymous or to use a pseudonym (anonymity), and the right to the integrity of the work, meaning the author can object to changes or distortions that could harm their honor or reputation. These rights stay with the author and are not primarily about selling or licensing the work. The other options describe economic rights—reproduction, financial compensation, and licensing—which govern how the work is used and paid for rather than the author’s personal claims. This set—attribution, anonymity, and integrity—best captures moral rights.

The important idea is that there are separate rights for the recording itself and for the musical composition. When you want to use the actual sound recording in a film or TV program, you need a master-use license. This is the clearance from the owner of the master recording (usually the record label or rights holder) that lets you reproduce, distribute, or synchronize that specific recording in your audiovisual work. Mechanical licenses cover the right to reproduce a musical work on physical media or digital downloads—essentially how the song itself is sold to listeners, not how it is used in a film. Public performance licenses cover the right to perform the musical work publicly (like on a radio broadcast or in a live venue), but they don’t authorize using the actual recorded performance within a film. Subtitle licenses aren’t relevant to using the recording itself.