James Rado (born James Alexander Radomski; January 23, 1932) is an American actor, playwright, director, writer and composer, best known as the co-author, along with Gerome Ragni, of 1967's groundbreaking American tribal love-rock musical "Hair".
 He and Ragni were nominated for the 1969 Tony Award for best musical, and they won for best musical at the Grammy Awards in 1969.
Murder in Mississippi is a 1990 television film which dramatized the last weeks of civil rights activists Michael "Mickey" Schwerner, Andrew Goodman and James Chaney, and the events leading up to their disappearance and subsequent murder during Freedom Summer in 1964.
 It starred Tom Hulce as Schwerner, Jennifer Grey as his wife Rita, Blair Underwood as Chaney, and Josh Charles as Goodman.
 Hulce received a nomination for Best Actor in a TV Miniseries at the 1990 Golden Globes.
Roy K. Moore (June 11, 1914 Hood River Oregon - October 12, 2008 Madison Wisconsin) was an American FBI agent and former Marine who was best known as the chief agent who investigated the disappearance of civil rights workers James Chaney, Michael Schwerner and Andrew Goodman.
 The 1988 film "Mississippi Burning", starring Gene Hackman and Willem Dafoe was based on that case.
 Because of the efforts of Moore and his agents, nineteen men were indicted and seven were convicted.
 All served less than 6 years in prison.
Richard Rubin (born 1967 in New York City) is an American writer.
 He has published essays, articles, and short stories in a number of newspapers and magazines.
 He is perhaps best known as the author of "The Last of the Doughboys: The Forgotten Generation and Their Forgotten World War", a history of America and World War I based upon interviews he conducted with its last veterans, and "", a personal memoir about the year he spent living and working as a newspaper reporter in the rural Mississippi Delta.
 He is also known for his many short pieces, including "The Ghosts of Emmett Till," an acclaimed article he published in The New York Times Magazine in 2005, in which he revisits interviews he conducted in 1995 with the two surviving defense attorneys and the two surviving jurors from the 1955 Sumner, Mississippi trial of Roy Bryant and J.W. Milam, white men who were ultimately acquitted of the murder of the black 14-year old Emmett Till, despite overwhelming evidence of their guilt.
 Bryant and Milam later confessed to the murder in an interview with journalist William Bradford Huie for Look Magazine.
 "The Ghosts of Emmett Till" was anthologized in "The Best American Crime Writing 2006".
 In 2014, Rubin wrote a series of pieces for The New York Times, for which he visited various American World War I battlefields in France.
 The series, titled "Over There," was published in four installments between August and December, 2014; the final installment, titled "In France, Vestiges of the Great War's Bloody End," which deals with the Meuse-Argonne, was for a time the most emailed article in the newspaper.
Thomas Edward Bosley (October 1, 1927 – October 19, 2010) was an American actor, voice artist, television personality, and entertainer.
 Bosley is best known for portraying Howard Cunningham on the long-running ABC sitcom "Happy Days", and the title character on the NBC/ABC series "Father Dowling Mysteries".
 He also was featured in a recurring role on "Murder, She Wrote".
 He originated the title role of the Pulitzer Prize–winning Broadway musical "Fiorello!
", earning the 1960 Tony Award for Best Performance by a Featured Actor in a Musical.
Brendan Jacob Joel Fehr (born October 29, 1977) is a Canadian film and television actor, perhaps best known for portraying Michael Guerin in the WB television series Roswell, and for portraying Laboratory Tech in .
 In 2008, Fehr won a Gemini Award for "Hottest Canadian Male TV Star".
 Brendan currently plays Dr. Drew Alister on the NBC drama The Night Shift.
James A. Young (born 1956) is an American politician, who was elected mayor of Philadelphia, Mississippi in May 2009.
 His election was especially noted as he is the first African-American mayor of the city, which was previously best known for the murders of Chaney, Goodman, and Schwerner by members of the Ku Klux Klan in 1964.
Donald Hinds (born in 1934) is a Jamaican-born writer, journalist, historian and teacher.
 He is best known for his work on the "West Indian Gazette" and his fiction and non-fiction books portraying the West Indian community in Britain, particularly his 1966 work "Journey to an Illusion", which has been called a groundbreaking book that "captured the plight of Commonwealth immigrants and foresaw the multicultural London of today".
Dolores Claman (born 6 July 1927) is a Canadian composer and pianist.
 She is best known for composing the 1968 theme song for CBC's Hockey Night In Canada show, known simply as "The Hockey Theme", a song often regarded as Canada's second national anthem.
 She is also known for"A Place to Stand", the popular tune that accompanied the groundbreaking film of the same name at Montreal's Expo 67 Ontario pavilion.
 Both songs were orchestrated by Jerry Toth who, along with his brother Rudy Toth and composer Richard Morris, all worked together at Quartet Productions from 1965-1970.
 Claman and her writing partner and husband, lyricist Richard Morris, composed over 3000 commercial jingles in a 30-year period and won more than 40 awards internationally for their work.
 In the 1950s, Claman composed music for ITV while living in Britain and also wrote songs for West End musical revues.
Thomas Edward "Tom" Hulce ( ; born December 6, 1953) is an American actor and theater producer.
 As an actor, he is best known for his role as Larry "Pinto" Kroger in "Animal House" (1978), his Academy Award-nominated portrayal of Wolfgang Amadeus Mozart in "Amadeus" (1984), and his role as Quasimodo in Disney's "The Hunchback of Notre Dame" (1996).
 Additional acting awards included four Golden Globe nominations, an Emmy Award, and a Tony Award.
 Hulce retired from acting in the mid-1990s to focus on stage directing and producing.
 In 2007, he won a Tony Award as a lead producer of the Broadway musical "Spring Awakening".

Question: What groundbreaking composer is the actor who plays Schwerner in Murder in Mississippi, best known for portraying?
Answer: Wolfgang Amadeus Mozart