Euler Beats is an on-chain music NFT project with 27 original tracks, and 120 copies per track. These music NFTs give the owners commercial rights to the music, and in addition they receive 8 percent royalty on every copy sold from that particular song.
The process of minting an original is something that happened on-chain. The token seed is used to create a song, and therefore the buyer is not able to preview the art or the beat.
From every sale the owner of the original gets 8 percent, while 2 percent goes to the creators. The remaining 90 percent goes to a burn contract. At any time someone can send their copy of a song to the burn contract, and they will receive that last 90% from the burn contract.