Question: Young-hu Kim and Shinwa both have worked for what music company? 
Context: Concord Music is a wholly owned independent music company based in Beverly Hills, California, with worldwide (including the U.S) distribution through Universal Music Group.  The company is specialized in recordings (Concord Records, Fantasy Records, Loma Vista Recordings) and music publishing (The Bicycle Music Company, Imagem).  As of September 2017, Concord is the fifth-largest music company in the world. Chester E Groth Music Company was founded in 1939 in downtown Minneapolis, Minnesota by professional musician Chester E. Groth.  Prior to opening Groth Music, he was a cornetist in the United States Navy Band, and he also performed under the direction of John Philip Sousa.  In addition to importing and selling musical instruments, music lessons were provided by Mr. Groth and his staff.  Groth's daughter Nancy Groth-Kersten assumed ownership of the company in 1985 when it moved to Bloomington, Minnesota.  In 2013, Groth Music acquired Music Products Inc. from Elmhurst, Illinois, expanding its nationwide service to school music programs.  In 2014 the company acquired Eble Music Company from Iowa City, Iowa, which expanded Groth Music's printed music division. Shinhwa () is a South Korean six-member boy band based in Seoul, composed of Eric Mun, Lee Min-woo, Kim Dong-wan, Shin Hye-sung, Jun Jin, and Andy Lee.  Launched by SM Entertainment on 24 March 1998 and now managed by Shinhwa Company, the group is the longest-running boy band in the history of K-pop and one of the pioneers of the K-pop idol culture. Walter Louis MacNutt (2 June 1910 – 10 August 1996) was a Canadian organist, choir director, and composer.  His compositional output includes numerous choral works, songs, pieces for solo organ, and works for orchestra, many of which have been published by companies like Broadcast Music Incorporated, Frederick Harris Music, the Waterloo Music Company, and the Western Music Company.  In 1938 his "Suite for Piano" was awarded the first Vogt Society prize for Canadian composition.  One of his more popular works, the secular song "Take Me to a Green Isle", is taken from a poem by H.E. Foster.  He also composed many songs to the poems of William Blake.  In his later years, he composed music mainly for the Anglican church, include two "Missae breves" and the "Mass of St James" (1974). The Stamps-Baxter Music Company was an influential southern music publishing company in the shape note gospel field.  Virgil Oliver Stamps founded the company in 1924 and J. R. Baxter Jr. joined him to form the Stamps-Baxter Music Company, which was based in Dallas, Texas, with offices in Chattanooga, Tennessee and Pangburn, Arkansas.  Stamps got his start working for the James D. Vaughan Publishing Company from which he got many of his business ideas. Clarence E. Brandon Sr. (1887–1962) was a writer, composer, and performer of ragtime music in the early twentieth century.  He wrote or composed more than 50 songs from 1911 to 1947, including ragtime, jazz, and marches.  While there are no known copies of music before 1911, his son, Clarence E. Brandon Jr., claimed his music-writing career began as far back as 1903.  He published under many publishing companies, many his own, including Syndicate Music Company, Weile Publishing Company Inc., Buck and Lowney, Brandon and Josse Publishing Company, Orpheum Music Company, Brandon Music Company, S.S. Kresge, and Stark Music Company. Zee Music Company is an Indian music company, a subsidiary of Zee Entertainment Enterprises Ltd.  It carries its business activities mainly from Mumbai.  The company was formed in the year 2014 and within a short span of time has captured a major chunk of market shares in bollywood music. Teri Yaad Mein Maa is a Single Song Album and Music Video Album released in the year 2015 by Moxx Music Company.  Arun Upadhay has sung this song.  This was recorded at Moxx Music Company's Studio by Arun Upadhyay under the direction of Music Director of Raj Mahajan.  This music video contains a story of a boy who had lost mother in his childhood.  This album was released on the occasion of "Mother's Day" in the presence of "Dr. Muktesh Chander" (Spl.  CP, Delhi Traffic Police) and "Mrs. Asha Singh" (Deputy Mayor, East Delhi) in Delhi. Young-hu Kim is a South Korean music producer and songwriter.  He works mainly with SM Entertainment artists, and has written songs for Girls Generation, Exo, TVXQ, BoA, Shinee, f(x), Super Junior, Shinhwa, and Fly to the Sky. 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.  The first event was held in 1936 in Birmingham, Alabama, with Adger M. Pace serving as the convention's first president.
Answer: SM Entertainment