Gospel is church music that blends elements of folk music, spirituals, hymns, and popular music. Therefore I wrote my own spirituals and folksongs. He also compiled a 20-page songbook of union organizing songs based on hymns and spirituals. Her musical repertoire consisted largely of American folk music, blues, jazz, and spirituals. Gospel singers include the Canton Spirituals and Reverend Cleophus Robinson. The song borrows from the traditions of black gospel music and spirituals. African-Americans developed a rich hymnody out of the spirituals sung during times of slavery. He was regarded as a leading expert on Negro spirituals and choral music. Ailey drew upon his memories of Texas, the blues, spirituals and gospel as inspiration. This is used throughout recorded spirituals, blues, and jazz music. Field hollers laid the foundations for the blues, spirituals, and eventually rhythm and blues. His favorite music was German Lieder, Classical, Negro Spirituals and Union Songs. Ailey drew on his "blood memories" of Texas, the blues, spirituals and gospel. Angelou was also powerfully affected by slave narratives, spirituals, poetry, and other autobiographies. He performed his repertoire of spirituals on the radio.