demo means a demo of a song.

demo means demonstration and sample in English, so when it is put in a song, it also means a sample of the song. Before actually making a song, every singer will make a demo of the song first.

The purpose of making a demo before releasing a song is to simply put your ideas into the song. Generally, the demo is only about one minute. But this is enough for producers or record companies to see the singer's idea of making this song.

Meaning

There are demos in song composition. Making demos is a very important part in composition, which fully reflects the composer's inspiration. The later work should be carried out around the contents of demos. In essence, creating and writing songs are different. When arranging music, some technologies are actually used. In general, you need to verify whether the technologies used are feasible first. The role of demos is to verify whether some technologies are feasible.