Question: Feinstein's/54 Below has hosted shows by which famous singer who stared in "Candide" (1956)?

Context paragraphs:
Hidden Singer: Hidden Singer () is a South Korean entertainment TV program broadcast on JTBC.  The mechanics are a famous singer and several impersonators of the singer.  Each person sings one measure of a song behind the blinds for four rounds.  In the first three rounds, an audience of 100 people vote on the person who they think is not the real singer.  In the final round, the audience votes on who they think is the real singer.  The program is hosted by Jun Hyun-moo.

Casa Club Magazine: Casa Club Magazine was the flagship show for MGM Latin America Hosted by Gabriel Traversari, Patrice Martial and famous singer and host Vicky Larraz. The show aired throughout Latin America throughout the late 1980s and early 2000s.  The Show was produced by Fran Mires and JB Diederich.  130 one hour episodes were recorded.

Barbara Cook: Barbara Cook (October 25, 1927 – August 8, 2017) was an American singer and actress who first came to prominence in the 1950s as the lead in the original Broadway musicals "Plain and Fancy" (1955), "Candide" (1956) and "The Music Man" (1957) among others, winning a Tony Award for the last.  She continued performing mostly in theatre until the mid-1970s, when she began a second career as a cabaret and concert singer.  She also made numerous recordings.

Arun Sarnaik: Arun Shankarrao Sarnaik (4 October 1935 – 21 June 1984) was an actor and singer from Kolhapur, Maharashtra, India.  He was the son of the famous singer "Maharashtrakokil" Pt.  Shankarao Sarnaik and brother of famous classical singer "Pandit Nivruttibua Sarnaik" from Jaipur Atrauli Gharana (4 July 1912 – 16 February 1994).

Sylvio Sarkis: Sylvio Sarkis is a Lebanese actor born on the 28th of September 1998.  His career started in 2008 when he participated in the hit Lebanese series "Mou’abbad" along with the much known actors Badih Abou Chakra and Patricia Nammour.  Sylvio Sarkis had worked over the past 9 years in 7 hit series such as: "Mou’abbad (Mou2abbad)", "Badal An Dayeh (Badal 3an Daye3)" with famous actor Youssef El Khal and Nelly Maatouk, "Ala El A’aehed (3ala Al 3ahed)" with Famous Actress Darine Hamze and Talal El Jurdi where Sylvio was one of the three main characters in the series.  "Ayli Mat’oub Alaya (3ayle Mat3oub 3laya)" along side with the late actor Issam Breidy and actress Yara Fares.  The hit Series "Helwe W Kezzabi (Beautiful Liar)" with the famous actress Dalida Khalil and famous singer Ziad Bourji.  "Joumhouriyet Noun" with famous actor Youssef Haddad and famous actress Rita Harb.  "50 Alef (50 thousand)" with famous actor Tony Issa and famous actress Dalida Khalil which was his second collaboration with her as being co-actors and main characters.

Allentown Union Hall: The Allentown Union Hall is a historic meeting hall located 2 mi east of Illinois Route 121 in Allentown, Illinois.  The building was built in 1892 to host community events in Allentown, a small rural settlement.  Like many small communities nationwide at the turn of the century, the citizens of Allentown wished to expand their educational and cultural horizons; since rough dirt roads made travel outside the community difficult, the community used the hall to host its own cultural events.  The Allentown Helping Hand Circle, the community organization that raised the money for the building, hosted many of the hall's early events, which included community dinners and talent shows.  The hall also hosted shows put on both by actors and musicians from Allentown and the surrounding area and by traveling acts who stopped in the community.  As the only large public building in the area, the town hall also served as a polling place, a clubhouse for women's clubs and fraternal organizations, a church for the community's religious groups, and an auditorium for the local school.

KISU-FM: KISU-FM (91.1 FM), is a National Public Radio member station in Pocatello, Idaho, owned by Idaho State University.  KISU-FM originally went on the air June 4, 1999; and since the spring of 2000 has carried student hosted content.  The first such student hosted show was "In House" with Jeremy Peterson.  Since then KISU-FM has added more than a half dozen student hosted shows to its repertoire.

Music '89: Music '89 was the first ever all pop music stage-show to be aired on Pakistan TV.  It was aired in January 1989, on PTV (Pakistan state run TV channel).  The show was directed by Shoaib Mansoor and hosted by the famous singer Nazia Hassan and her brother, Zohaib Hassan.  It was a revolutionary show that introduced a new breed of young musicians post Nazia and Zoheb.  The show was the launching pad for many new talents including Vital Signs, Ali Haider, Sajjad Ali, Jupiters, Strings, while also introducing underground, "alternative" bands including Final Cut and The Barbarians

Feinstein's/54 Below: Feinstein's/54 Below is a cabaret and restaurant in New York City owned by Broadway producers Steve Baruch, Richard Frankel, Marc Routh and Tom Viertel.  It has hosted shows by such notable performers as Patti LuPone, Ben Vereen, Marilyn Maye and Barbara Cook.  It is located in the basement of Studio 54.

Kitty Jutbring: Anna Maria Kitty Skura Jutbring (born 8 April 1977) is a Swedish reality television contestant, radio and television host, singer and DJ.  She became known in Sweden after being a housemate on "Big Brother" in 2002 and has since become a radio and television host by hosting shows on Sveriges Radio P3 and SVT.  Jutbring has hosted shows like "Musikhjälpen" on television and "Christer" on radio.

Supporting paragraphs: Feinstein's/54 Below Barbara Cook
Answer: Barbara Cook