In a Bandcamp-like platform, the NFT would be a proof of purchase. When a user purchases your digital NFT album, they can at any point sign a message to get a link to the MP3 or FLAC files.
In a Patreon-like and Kickstarter-like platform the NFT might be used just the same, as a proof of purchase to access special content. Or, it could be used as a token or badge of appreciation, such as for being the first patron or a 1-year-continuous patron. The same way GitHub profiles show achievements and who the user is sponsoring.
In digital art platforms NFT is as it is already being used: certification and scarcity.
There’s other applications like streaming payments with vesting schedule:
