Question: Young-hu Kim and Shinwa both have worked for what music company? 
Sentence (from "National Gospel Singing Convention"): The convention was established by the most prominent publishers of shape note song books in 1936, including the Morris-Henson Company, the Vaughan Quartet, James D. Vaughan Music Publishers, the Hartford Music Company, A. J. Showalter Company, Denson Music Company, Theodore Sisk Music Company, Tennessee Music and Printing Company, George W. Sebren, W. P. Ganus, and the Stamps-Baxter Music and Printing Company.
Relevant evidence: No