A music album is a collection of audio recordings, typically featuring multiple songs or tracks by an artist or group. Albums can vary in length and style, often showcasing a specific theme or concept. They are usually released in various formats, including digital downloads, CDs, and vinyl records. Albums are an essential part of the music industry, allowing artists to present their work cohesively. They often include cover art and liner notes, providing additional context about the music. Notable examples of albums include The Beatles's Sgt. Pepper's Lonely Hearts Club Band and Michael Jackson's Thriller.