Music databases are organized collections of information about music, including details about songs, artists, albums, and genres. They help users find specific tracks, explore new music, and discover related artists. Examples of popular music databases include Spotify, Apple Music, and Discogs. These databases often include features like search functions, user-generated playlists, and recommendations based on listening habits. They can also provide additional information such as release dates, album artwork, and lyrics, making it easier for music enthusiasts to engage with their favorite tunes and learn more about the music they love.