Question: Who owned the American music publishing company to which  Extreme Music/Bleeding Fingers was a  production arm?

Context paragraphs:
Universal Music Publishing Group: Universal Music Publishing Group (UMPG) is a North American music publishing company and is part of the Universal Music Group, a subsidiary of Vivendi Group.  It was formerly known as MCA Music Publishing until its mother company Seagram was dismantled.

Takeover/Cloud 9: Takeover/Cloud 9 is a British music publishing company.  The organisation is a co-owned subsidiary of Takeover Entertainment Ltd and EMI Music Publishing.  It was founded by English rapper Kwasi Danquah III (commonly known as Tinchy Stryder) and EMI Music Publishing’s UK president and EMI European creative president, Guy Moot, as a publishing arm solely for Danquah's music in December 2008.

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).

EMI Music Publishing: EMI Music Publishing Ltd. is a multinational music publishing company headquartered in London, United Kingdom.  It is owned by a consortium led by Sony/ATV Music Publishing and forms part of the largest music publishing corporation in the world.

Extreme Music/Bleeding Fingers: Extreme Music/Bleeding Fingers is a production music company.  The production arm of Sony/ATV Music Publishing, the company creates and licenses music for use in television, film, advertising, and online media.  Their library includes music from artists and composers such as Quincy Jones, Hans Zimmer, George Martin, Snoop Dogg, Xzibit, and Junkie XL.  Extreme Music is headquartered in London, with its creative operations based in Santa Monica, California.

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.

Imagem: Imagem Music Group is a Dutch music publisher.  The company was founded in 2008 by the Dutch firm Stichting Pensioenfonds ABP, one of the world's largest pension funds, in conjunction with the independent publisher and media company CP Masters BV.  It began by acquiring music publishing rights in a number of catalogues sold by Universal Music Publishing Group after its acquisition of BMG Music Publishing, such as Rondor, Zomba, BBC and 19 Music; the sale was worth 140 million euros (US$221.5 million).  These were sold by Universal after the European Commission ordered the sell-off as a condition of its merger with BMG's publishing arm.  This was followed by acquiring the world's leading classical music publishing company Boosey & Hawkes in 2008 and Rodgers & Hammerstein Organization in 2009.

Hecht-Lancaster &amp; Buzzell Music: Hecht-Lancaster & Buzzell Music Inc. (sometimes referred to as Hecht-Lancaster-Buzzell Music Publishing and later Hecht & Buzzell Music Inc.) was an American music publishing company, founded by the film producer Harold Hecht, his brother-in-law Loring Buzzell and his business partner, the actor Burt Lancaster.  Hecht-Lancaster & Buzzell Music was solely associated with the American Society of Composers, Authors and Publishers (ASCAP).  The same three founders also created Calyork Music Inc. (sometimes referred to as Calyork Music Corporation or Calyork Music Publishing), which was solely associated with Broadcast Music, Inc. (BMI).  Both Hecht-Lancaster & Buzzell Music and Calyork Music were divisions of Hecht and Lancaster's Norma Productions.

Russell Emanuel: Russell Emanuel is a British entrepreneur, musician, and producer.  He is the co-founder, president, and CEO of Extreme Music, which creates and licenses music for use in television, film, advertising, and online media, and the president and CEO of Bleeding Fingers Custom Music Shop, a scoring, composition,and music production company co-founded with Hans Zimmer and Steve Kofsky.

First Avenue Records: First Avenue Records was a British record label and publishing company.  The publishing side of the company was acquired by BMG Music Publishing in 2002.  After Universal Music Publishing's acquisition of BMG Music Publishing in 2004, First Avenue Music then belonged to Universal Music Publishing.

Supporting paragraphs: Extreme Music/Bleeding Fingers Sony/ATV Music Publishing
Answer: Sony through Sony Entertainment