Michael Sylvester "Sly" Gardenzio Stallone ( ; ] ; born July 6, 1946) is an American actor and filmmaker.
 He is well known for his Hollywood action roles, including boxer Rocky Balboa, the title character of the "Rocky" series' seven films from 1976 to 2015; soldier John Rambo from the four "Rambo" films, released between 1982 and 2008; and Barney Ross in the three "The Expendables" films from 2010 to 2014.
 He wrote or co-wrote most of the 14 films in all three franchises, and directed many of the films.
Frankie Klick (May 5, 1907 – May 18, 1982) was an American boxer who became a World Jr.
 Lightweight boxing champion when he defeated "Kid Chocolate", on December 25, 1933 at the arena in Philadelphia, Pennsylvania, in a seventh-round technical knockout.
 In his career he fought the exceptional champions Henry Armstrong once, Barney Ross twice and Tony Canzoneri four times.
 His managers were Joe Doran and Ray Carlin.
Monkey on My Back is a 1957 biographical film directed by Andre DeToth, starring Cameron Mitchell as Barney Ross, a world champion boxer and World War II hero (based on a real-life titleholder).
 The movie is heavily fictionalized, but both the movie character and the biographical character become addicted to opiates due to war conditions.
 In the climax of the film, Ross faces a challenging battle to recover from his addiction.
Husanlal Bhagatram were one of the earliest music directors in Bollywood.
 The team consisted of Husanlal (1910–1968) and Bhagatram (1916–1973).
 They were popular composers in the 1940s and 1950s.
 It is said that the concept of a duo of music directors began with them.
 Their family name was Batish; their elder brother Amarnath was also a famous composer of film music in 1940s; Shiv Dayal Batish, yet another contemporary, was also related to them.
 The brothers trained famous music directors Shankar (of Shankar Jaikishan), Laxmikant (of Laxmikant -Pyarelal) Khayyam and the singer, Mahendra Kapoor.
Jermell De'Avante Charlo (born May 19, 1990) is an American professional boxer who has held the WBC super welterweight title since 2016.
 His identical twin brother, Jermall Charlo, is also a professional boxer and is older by one minute.
 Both brothers are graduates of Hastings High School in Alief, Houston,Texas.
 They began boxing when they started following their father, a former boxer, into the gym.
Cenk Celebioglu is a Turkish-born composer whose orchestral compositions combine electronic and live instruments.
 He aspires to use his music to establish a bridge between east and west.
 He attended Berklee College of Music.
 Famous composer Fahir Atakoglu, whom he admired since his young age, has offered much encouragement to Cenk, as he is now dedicated to continue his professional career in creating his own unique music and orchestration for film, trailer & media
Jermall Charlo (born May 19, 1990) is an American professional boxer who held the IBF light middleweight title from 2015 to 2017.
 His identical twin brother, Jermell Charlo, is also a professional boxer and is younger by one minute.
 Both brothers are graduates of Hastings High School.
 They began boxing when they started following their father, himself a former boxer, into the gym.
 In 2016, both brothers became world champions when Jermell won the WBC light middleweight title.
Barney Ross (born Dov-Ber "Beryl" David Rosofsky; December 23, 1909 – January 17, 1967) was an American professional boxer.
 Ross became a world champion in three weight divisions and was a decorated veteran of World War II.
Anthony "Izzy" Jannazzo (January 31, 1915 Ensley, Alabama – June 18, 1995 Columbus, Ohio) was an American professional boxer who contended for the NYSE World Welterweight Championship against Barney Ross in November 1936, and took the Maryland version of the World Welterweight Championship in October 1940.
 In 1937, he fought national welterweight champions before large crowds in Australia and Germany.
 In 1940, he was listed as the world's top welterweight contender by some sources.
 His managers were Guy Anselmi and Chris Dundee.
Baruch Leib Rosowsky (Latvian: "Baruhs Leibs Rozovskis" , 1841  – 1919) was a famous cantor of the Great Choral Synagogue in Riga and a composer of religious music in Riga, at the time a city in Imperial Russia.
 Rosowsky's time of death was during the Latvian War of Independence.
 His son was also a famous cantor, named Solomon Rosowsky.
 It is likely that Rosowsky's family is related to the Rasofsky branch of the Barney Ross family.

Question: What famous composer is related to American professional boxer Barney Ross?
Answer: Baruch Leib Rosowsky