Just as in early New Orleans jazz, bluegrass musicians engage in collective improvisation

Who began his career as an artist for the press during the Civil War?

a. Winslow Homer b. Thomas Eakins c. Henry O. Tanner d. Mary Cassatt

The boy band that emerged in the 1960s on Motown Records and set the formula adopted by boy bands that followed was _____________

Fill in the blank(s) with correct word