To announce scores by sections by a karaoke machine equipped with a scoring function and to let a singer monitor his or her singing voice of a specified section.

A musical piece to be sung is divided into specified sections, a singing is scored by the sections, and singing voice data are stored on a HDD 14; and singing voice data of the sections are reproduced at the end of a musical piece performance according to the scoring results of the sections and the singer is able to judge his or her skill in singing.