Yes, that is absolutely possible. In fact, it is the default option, you explicitly need to enable both "iCloud Photo Library" (which activates your photos bein

Yes, that is absolutely possible. In fact, it is the default option, you explicitly need to enable both "iCloud Photo Library" (which activates your photos being stored on iCloud) and "Optimize Mac Storage" (which deletes the full-resolution photos from your Mac). This is exactly how it should be, and how apparently it is not for Apple Music. At least this is true for today, who knows whether what is optional today might become the only option tomorrow...