All the folk materials have black dialect and call-and-response except. A. Spirituals
B. The Blues
C. Ragtime

✔️Ragtime

Explanation:

Both Spirituals and The Blues are the folksongs that have black dialect and call-and-response except Ragtime.

Both spirituals and blues are music genres which are known to be associated with African American music. The use of the black dialect is found. Also, call-and-response is found in both spirituals and blues. In this type, the leader usually acts as a guide for the musicians.

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