什么是“福音歌手gospel singer”?

Gospel music is music that is written to express either personal,spiritual or a communal belief regarding Christian life,as well as (in terms of the varying music styles) to give a Christian alternative to mainstream secular music.
Like other forms of Christian music,
the creation,performance,significance,and even the definition of
gospel music varies according to culture and social context.Gospel
music is composed and performed for many purposes,including aesthetic
pleasure,religious or ceremonial purposes,and as an entertainment
product for the marketplace
gospel singer：Yolanda Adams