What is the theme of the Stele of the Vultures?

In 1867, three northern abolitionists published, an important collection of music in which is preserved African-American religious songs from the antebellum era. Name that collection

a) The New England Psalm Singer b) Bay Psalm Book c) Old Folks at Home d) Slave Songs of the United States

Where did jinjufirst develop?

a) Beijing b) Hong Kong c) Shanghai d) Chengdu