Question: The publishing company that Bkorn signed with in 2015 was acquired in 1985 by what famous musician?

Context paragraphs:
HarperCollins: HarperCollins Publishers LLC is one of the world's largest publishing companies and is one of the "Big Five" English-language publishing companies, alongside Hachette, Macmillan, Penguin Random House, and Simon & Schuster.  The company is headquartered in New York City and is a subsidiary of News Corp.  The company name is a combination of several publishing firm names: Harper & Row, an American publishing company acquired in 1987, whose own name was the result of an earlier merger of Harper & Brothers (founded 1817) and Row, Peterson & Company; together with UK publishing company William Collins, Sons (founded 1819), acquired in 1990.

Frederick Ungar Publishing Company: Frederick Ungar Publishing Company was a New York publisher which was founded in 1940, and acquired by Continuum Publishing Company in 1985.  Founder Frederick Ungar (who also translated over 200 works), fled Vienna, where he had worked as a publisher since 1922, for New York in 1939 in the face of Nazi occupation.  He died in 1988.

Bkorn: Brandon Chase Korn (born March 15, 1991), professionally known as Bkorn, is an American record producer.  Bkorn is best known for producing for DJ Khaled, Chris Brown, Chinx, Lil Wayne, and more.  He is currently part of the production team, The Amazinz.  In August 2015, Bkorn signed a publishing deal with Sony/ATV Music Publishing.

Jamsai: Jamsai is a publishing company located in Bangkok, Thailand.  Publishing since 2002, Jamsai has four brands: Jamsai Publishing Books, Enter Books Publishing, Zion Press Publishing, and Book Wave Publishing.  It is considered one of the largest publishers of teen romantic fiction in Thailand.  This publishing company has published many famous Thai writers.  Jamsai also supports many charities benefitting local communities.

Pacific Rim (book series): The Pacific Rim Series consists of three action thriller novels, authored by Don Brown and published by Zondervan Publishing Company, and its parent publishing company, Harper Collins Publishing Company between 2011 and 2014.  The novels, naval military action thrillers, are Thunder in the Morning Calm, Fire of the Raging Dragon, and Storming the Black Ice.  The novels feature storylines involving modern-day military crises involving the U.S. Navy erupting around the Pacific Rim of nations.

Johnson Publishing Company: Johnson Publishing Company, Inc. is an American publishing company founded in November 1942 by businessman John H. Johnson.  Headquartered at 200 S. Michigan Avenue in Chicago, Illinois, United States.  Led by its flagship publication, "Ebony", Johnson Publishing is the largest African-American-owned publishing firm in the United States.  Johnson Publishing Company also published "Jet" magazine, a weekly magazine from November 1951 until June 2014.  The company operates a book division, which has published books such as "The New Ebony Cookbook" and the more controversial "". The company produced the 1954 film "The Secret of Selling the Negro Market", which was designed to encourage advertisers to promote their products and services in the African American media.  In 2016, Johnson announced the sale of its publications and the creation of a new publisher by the new owner called "Ebony Media Corp." The specialty cosmetics business will be retained by Johnson.

Georgia Trend: Georgia Trend (tagline: "The Magazine of Georgia Business, Politics & Economic Development Since 1985") is a monthly business magazine covering business and finance in Georgia.  It was established in 1985 by Times Publishing Company, which published the "Tampa Bay Times" (then known as the "St. Petersburg Times").  It was modeled on the business magazine "Florida Trend", because Eugene Patterson, the then-president of Times Publishing Company, wanted to start a similar magazine in his home state of Georgia.  The magazine's first issue was published in September of that year.  It is distributed in every county in Georgia.  In February 2017, Morris Publishing Group acquired the magazine's publisher, Trend Publications LLC.

World Publishing Company: The World Publishing Company was an American publishing company founded by Alfred H. Cahen.  Originally headquartered in Cleveland, the company later added an office in New York City.  The company published genre fiction, trade paperbacks, children's literature, nonfiction books, textbooks, Bibles, and dictionaries, primarily from 1940 to 1980.  Authors published by World Publishing Company include Ruth Nanda Anshen, Michael Crichton, Simone de Beauvoir, Robert Ludlum, Sam Moskowitz, Ayn Rand, Rex Stout, Gay Talese, and Lin Yutang.  The company's Cleveland headquarters were located in the Caxton Building.

Sony/ATV Music Publishing: Sony/ATV Music Publishing LLC is an American music publishing company owned by Sony through Sony Entertainment.  The company was founded as a division of Associated Television (ATV) in 1955 by Lew Grade.  In 1985, Michael Jackson acquired ATV Music Publishing for $47.5 million.  Paul McCartney, who had told Jackson about the importance of owning publishing, admitted he felt somewhat undercut by the purchase, because ATV Music Publishing owned the publishing rights to most of The Beatles' songs, although he did not enter the bidding when it came up for sale in 1984.

Lonzo and Oscar: Lonzo and Oscar were an American country music duo founded in 1945 originally consisting of Lloyd George (1924-1991) as "Lonzo" and Rollin "Oscar" Sullivan (1919-2012), best known for being the first to perform the 1948 song "I'm My Own Grandpa".  George departed in 1950, and Lonzo was later portrayed by Johnny Sullivan (1917-1967) from 1950 to 1967 and by David Hooten from 1967 to 1985, when the band retired (with some final shows performed by Sullivan and first Cleo C. Hogan, then Billy Henson, the latter of which eventually bought the rights to the name).  Lonzo and Oscar owned a record label, a recording studio, and a music publishing company.  The recording studio and the record label were called "Nugget".  The music publishing company was called "Lonzo and Oscar (BMI)".  Melba Montgomery's first recordings were released on Nugget Records in the late 1950s through the early 1960s.  The songs which Starday Records released by Melba Montgomery in the 1960s came from Nugget Records.  Harlan Howard recorded an album with Nugget Records.  Danny Harrison, Melba Montgomery, and Darnell Miller wrote for Lonzo and Oscar's publishing company, Lonzo and Oscar (BMI).

Supporting paragraphs: Bkorn Sony/ATV Music Publishing
Answer: Michael Jackson