Between the 1890s and 1910s, African-Americans in the South developed a new style of music that came to be known as jazz. The roots of jazz are planted in ragtime, blues, spirituals, work songs, and even military marches. Some believe that jazz grew out of the drumming and Voodoo rituals that took place in New Orleans' Congo Square before the Civil War.
Competing with other music genres throughout the centuries about 185 million adult Americans, "like and listen to jazz."
As for gospel jazz - Gospel music is one component, of many, that influenced the birth of jazz – from the African roots to the use of call and response between instruments, to the syncopated beats.
What were the famous black gospel quartet groups?
The Dixie Hummingbirds are probably the best-known of the black gospel quartets, having performed for over 50 years throughout America and Europe. They inspired countless R&B and soul singers, from Jackie Wilson and Clyde McPhatter to Bobby "Blue" Bland and The Temptations.
Temptations singing The Lord's Prayer
Duke Ellington was the greatest jazz composer and bandleader of his time. One of the originators of big-band jazz, he led his band for more than 50 years and composed thousands of scores. Ellington was famous for his concerts called Sacred Jazz where his musicians and singers excited the crowds with his form of gospel jazz.