Body: Scholars who research "Vocal music" look at Vocal music is a type of music performed by one or more singers, either with instrumental accompaniment, or without instrumental accompaniment (a cappella), in which singing provides the main focus of the piece.
Singing is the act of producing musical sounds with the voice and augments regular speech by the use of sustained tonality, rhythm, and a variety of vocal techniques is some of the cause to investigate "Vocal music".
Mark A. Peters, Sweet Leilani are some authorities of "Vocal music".
Several topics in "Vocal music" include How many octaves does Taylor Swift have?,How many octaves does Selena Gomez have?,What type of singer is Selena Gomez?.