Demo means "sample", which refers to the preliminary effect of singing before the official recording and production of the song.

A short recording that can reflect the singer's voice quality, timbre, and express himself and his musical works. This is usually done by the musician who sings the "demo".

If the lead singer is not available or many of the people who write songs cannot sing, just find some professional singers to sing a demo. There are also some singers who have a bad sense of rhythm when recording and do not know how to read music. They also need to do it in advance. Find someone to sing first and bring a singer to sing.

Extended information:

Sample records allow music creators to roughly record their ideas on cassette tapes or laser discs, and provide them to record companies, producers or other parties. singer as a reference.

Music creators also often use demo records to share concepts and ideas with bandmates or arrangers;

Sometimes composers will also provide demo records to singers. Hope that the song can be officially recorded and released; music publishers often need a simple recording version as a reference for distribution or copyright.

Many unsigned bands and singers will record demos in order to obtain a recording contract. These demo records are sent to record companies in the hope that the band or singer will be signed by the record company and entered into a professional recording studio to record a full-length album.

Reference materials:

demo-Baidu Encyclopedia