Melos is a decentralized music studio and marketplace for Web 3.0. It offers a one-stop Music NFT Marketplace where users can discover and trade original music NFTs from certified musicians and creative users worldwide. Additionally, Melos provides features such as Sonus, which allows users to upgrade NFTs with music, and Metis AI, which enables users to create their own music NFTs using artificial intelligence. The platform also offers a virtual band feature for online music collaboration.