Murray Kaufman (February 14, 1922 – February 21, 1982), professionally known as Murray the K, was an influential rock and roll impresario and disc jockey of the 1950s, 1960s and 1970s. During the early days of Beatlemania, he frequently referred to himself as the fifth Beatle.

Murray Kaufman came from a show business family: his mother, Jean, played piano in vaudeville and wrote music and his aunt was a character actress on the stage and in film. He was a child actor - an extra - in several 1930s Hollywood films. He attended a military boarding school, and later was inducted into the United States Army where he arranged entertainment for the troops. Following the war, he put together shows in the Catskills' "Borscht Belt", also doing warm-ups for the headline performers.

In the late 1940s and early 1950s, he worked in public relations and as a song plugger, helping to promote tunes like Bob Merrill's "How Much Is That Doggie In The Window." From there, he worked as a radio producer and co-host at WMCA (and briefly thereafter at WMGM), working with personalities such as Laraine Day on the late night interview program "Day At Night" and with Eva Gabor. At the same time, he was doing promotion for several baseball players, including Mickey Mantle and Willie Mays, and his radio beginnings may be attributable to his connection with the New York Giants, whose manager, Leo Durocher, was the husband of Laraine Day. His work on those shows earned him his own late-night show that often featured his wife as co-host, as was popular at the time. For a while in the 1950s he was president of the National Conference of Disk Jockeys.

The Kinks were an English rock band formed in Muswell Hill, North London, by brothers Ray and Dave Davies in 1964. Categorised in the United States as a British Invasion band, The Kinks are recognised as one of the most important and influential rock acts of the era. Their music was influenced by a wide range of genres, including rhythm and blues, British music hall, folk and country. Ray Davies (lead vocals, rhythm guitar) and Dave Davies (lead guitar, vocals) remained members throughout the group's 32-year run. Original members Pete Quaife (bass guitar, vocals) and Mick Avory (drums and percussion) were replaced by John Dalton in 1969 and Bob Henrit in 1984, respectively. Dalton was in turn replaced by Jim Rodford in 1978. Keyboardist Nicky Hopkins accompanied the band during studio sessions in the mid-1960s. Later, various keyboardists, including John Gosling and Ian Gibbons, were full-time members.

James Douglas "Jim" Morrison (December 8, 1943 – July 3, 1971) was the lead singer and lyricist of the rock band The Doors, as well as a poet. Following The Doors' explosive rise to fame in 1967, Morrison developed a severe alcohol and drug dependency that culminated in his death at the age of 27 in Paris. He is presumed to have died from a heroin overdose, but as no autopsy was performed, the events surrounding his death and the exact cause of it continue to be disputed by many to this day.

Morrison was well known for often improvising spoken word poetry passages while the band played live. Due to his wild personality and performances, he is regarded by critics and fans as one of the most iconic, charismatic and pioneering frontmen in rock music history. Morrison was ranked number 47 on Rolling Stone's list of the "100 Greatest Singers of All Time", and number 22 on Classic Rock Magazine's "50 Greatest Singers In Rock".

James Douglas Morrison was born in Melbourne, Florida, to future Rear Admiral George Stephen Morrison and Clara Morrison. Morrison had a sister, Anne Robin, who was born in 1947 in Albuquerque, New Mexico; and a brother, Andrew Lee Morrison, who was born in 1948 in Los Altos, California. He was of Irish and Scottish descent.

Brian Samuel Epstein ( /ˈɛpstaɪn/; 19 September 1934 – 27 August 1967), was an English music entrepreneur; best known for being the manager of The Beatles, until his death. He also managed many other musical artists, such as Gerry & the Pacemakers, Billy J. Kramer and The Dakotas, Cilla Black, The Remo Four, and The Cyrkle. His management company was named NEMS Enterprises after his family's music stores, also called NEMS (North End Music Stores).

Epstein paid for The Beatles to record a demonstration tape in Decca's London studios, which resulted in Decca declining to sign the group to a contract. After approaching nearly all all the major recording companies and recording producers in London and being rejected, Epstein managed to secure an EMI recording contract under threat of withdrawing the sale of EMI's records at his NEMS music stores. NEMS was one of the biggest musical retail outlets in the North of England. Record producer George Martin offered a contract on behalf of EMI's small Parlophone label, only when informed of the economic threat to EMI by Epstein.

William James "Bill" Murray (born September 21, 1950) is an American actor, comedian and golfer. He first gained national exposure on Saturday Night Live in which he earned an Emmy Award and later went on to star in a number of critically and commercially successful comedic films, including Caddyshack (1980), Ghostbusters (1984), and Groundhog Day (1993). Murray gained additional critical acclaim later in his career, starring in Lost in Translation (2003), that earned him an Academy Award for Best Actor nomination, and a series of films directed by Wes Anderson, including Rushmore (1998), The Royal Tenenbaums (2001), The Life Aquatic with Steve Zissou (2004) and Moonrise Kingdom (2012).

Murray was born and raised in Wilmette, Illinois, a northern suburb of Chicago, the son of Lucille (née Collins), a mail room clerk, and Edward Joseph Murray II, a lumber salesman. Murray's father died in 1967 from complications of diabetes when Bill was 17 years old. Murray, along with his eight siblings, was raised in an Irish American family. Three of his siblings are actors: John Murray, Joel Murray and Brian Doyle-Murray. A sister, Nancy, is an Adrian Dominican nun in Michigan, who has traveled the United States in a one-woman programme, portraying St. Catherine of Siena.