Spirituals are religious songs that developed in America during the 18th and 19th centuries.They are sung in churches in the same way as hymhs,but the style of music is often different from hymns.

Spirituals songs had become very populars as concert pices.

this is becuse they are more closely related to folk songs.By the end of the 19th century very popular as concert pieces.Because of this,spirituals used in church services began to change,and a new form of religious music developed.This new style became know as gospel music.

Imformation :Book name,Learn to Play more easy piano classics by caroline phipps
(ISBN 0-7460-1698-0)