Music demos are short recordings that showcase a musician's or band's work, often featuring a few songs or snippets. These demos serve as a way for artists to present their sound and style to potential producers, record labels, or fans. They can be recorded in a professional studio or created at home, depending on the artist's resources. Typically, music demos are not fully polished tracks; instead, they focus on the core elements of the music, such as lyrics, melody, and arrangement. Artists like Taylor Swift and Ed Sheeran have used demos to refine their songs before releasing them to the public.