Question: What singer's signature song is "At Last", also covered by Tina Moore?

full_context: Document 1: Aretha Franklin: Aretha Louise Franklin (born March 25, 1942) is an American singer and songwriter. Franklin began her career as a child singing gospel at the church of her father, minister C. L. Franklin's church. In 1960, at the age of 18, Franklin embarked on a secular career, recording for Columbia Records but only achieving modest success. Following her signing to Atlantic Records in 1967, Franklin achieved commercial acclaim and success with songs such as "Respect", "(You Make Me Feel Like) A Natural Woman", "Spanish Harlem" and "Think". By the end of the 1960s decade she had gained the title "The Queen of Soul".
Document 2: Dinah Washington: Dinah Washington (born Ruth Lee Jones; August 29, 1924 – December 14, 1963) was an American singer and pianist, who has been cited as "the most popular black female recording artist of the '50s". Primarily a jazz vocalist, she performed and recorded in a wide variety of styles including blues, R&B, and traditional pop music, and gave herself the title of "Queen of the Blues". She was a 1986 inductee of the Alabama Jazz Hall of Fame, and was inducted into the Rock and Roll Hall of Fame in 1993.
Document 3: Never Gonna Let You Go (Tina Moore song): "Never Gonna Let You Go" is a single by American singer Tina Moore.
Document 4: Big Mama Thornton: Willie Mae "Big Mama" Thornton (December 11, 1926 – July 25, 1984) was an American rhythm-and-blues singer and songwriter. She was the first to record Leiber and Stoller's "Hound Dog", in 1952, which became her biggest hit, staying seven weeks at number one on the "Billboard" R&B chart in 1953 and selling almost two million copies. However, her success was overshadowed three years later, when Elvis Presley recorded his more popular rendition of "Hound Dog". Similarly, Thornton's "Ball 'n' Chain" (written in 1961 but not released until 1968) had a bigger impact when performed and recorded by Janis Joplin from 1967.
Document 5: Lil' Mo: Cynthia Karen Loving, (born November 19, 1978) best known by her stage name Lil' Mo, is an American R&B singer, radio personality, songwriter, and record producer. She debuted on the music scene as Missy Elliott's protégée and contributed guest vocals to some of Elliott's work, most notably the record-breaking "Hot Boyz". Under the wing of Elliott, Lil' Mo would land a contract deal with Elektra Records and release charting singles of her own, including "Ta Da", "Superwoman Pt. II", "4Ever", "Hot Girls", and her debut single "5 Minutes".
Document 6: Etta James: Etta James (born Jamesetta Hawkins; January 25, 1938 – January 20, 2012) was an American singer who performed in various genres, including blues, R&B, soul, rock and roll, jazz and gospel. Starting her career in 1954, she gained fame with hits such as "The Wallflower", "At Last", "Tell Mama", "Something's Got a Hold on Me", and "I'd Rather Go Blind". She faced a number of personal problems, including heroin addiction, severe physical abuse, and incarceration, before making a musical comeback in the late 1980s with the album "Seven Year Itch".
Document 7: Agnez Mo discography: Indonesian pop/R&B singer, Agnez Mo, has released seven studio albums, one greatest hits album and five compilation albums. Agnes signed a recording contract with MM Records in 1992 and released her debut children studio album "Si Meong". Unfortunately, her album was unsuccessfully into market. In 1995, she moved signed a recording contract with Musica Studios and released her duet album and also her second children studio album "Yess!" which released her self-titled single was successfully into market. She released her third children studio album "Bala-Bala" (1998) with Viva Music/Paragon Record. The album can be her last album as child singer.
Document 8: Bettye LaVette: Bettye LaVette (born Betty Jo Haskins, January 29, 1946) is an American soul singer-songwriter who made her first record at sixteen, but achieved only intermittent fame until 2005, with her album "I've Got My Own Hell to Raise". Her eclectic musical style combines elements of soul, blues, rock and roll, funk, gospel, and country music.
Document 9: Nobody Better: "Nobody Better" is a single by American singer Tina Moore. The original version of the song appears on her 1995 self-titled debut album, "Tina Moore". Like her previous single "Never Gonna Let You Go", a 2-step garage mix by Kelly G was released on the Delirious label in 1997. It was a Top 20 hit in the UK, peaking at #20 on the UK Singles Chart in early 1998. Single formats also include another garage remix by Dem 2, 'Dem 2's Luv Unlimited Mix', and an R&B remix by Blacksmith.
Document 10: Tina Moore (album): Tina Moore is the debut album by American R&B singer Tina Moore, originally released in 1995. The album was released in Europe in 1997 with two extra tracks, including the UK garage version of "Never Gonna Let You Go", which reached number 7 in the UK Singles Chart. The album also features a cover of "At Last", the signature song of Etta James.
Document 11: Mae Moore: Moore studied art before moving to British Columbia to pursue music. Her first hit came by co-writing the song "Heaven in Your Eyes" (with John Dexter), which would later be recorded by Loverboy for the "Top Gun" soundtrack in 1986. She then worked with Barney Bentall and Colin Nairne from the band Barney Bentall and the Legendary Hearts, providing background vocals on their self-titled 1988 album "Barney Bentall and the Legendary Hearts". She sang background vocals on and appeared in the music video for the Legendary Heart's "She's My Inspiration" song from that album. Her association with Bentall and Nairne paid off, as CBS Records in Canada soon awarded her a recording contract.
Document 12: Billie Holiday: Eleanora Fagan (April 7, 1915 – July 17, 1959), professionally known as Billie Holiday, was an American jazz musician and singer-songwriter with a career spanning nearly thirty years. Nicknamed "Lady Day" by her friend and music partner Lester Young, Holiday had a seminal influence on jazz music and pop singing. Her vocal style, strongly inspired by jazz instrumentalists, pioneered a new way of manipulating phrasing and tempo. She was known for her vocal delivery and improvisational skills, which made up for her limited range and lack of formal music education. There were other jazz singers with comparable talent, but Holiday had a voice that captured the attention of her audience.
Document 13: Janis Joplin: Janis Lyn Joplin ( ; January 19, 1943 – October 4, 1970) was an American rock singer and songwriter. She was one of the biggest female rock stars of her era. After releasing three albums, she died of a heroin overdose at age 27. A fourth album, "Pearl", was released in January 1971, just over three months after her death. It reached number one on the "Billboard" charts.
Document 14: Foreign Affair (Tina Turner album): Foreign Affair is the seventh solo album by Tina Turner, released on Capitol Records in 1989. It was Turner's third album release after her hugely successful comeback six years earlier and although the album was not a major success in Turner's native US, it was a huge international success in Europe. The album reached number 1 on the UK Albums Chart, her first number one album there. The album includes the single "The Best" which has gone on to become one of Turner's best-known songs.
Document 15: Never Miss the Water: "Never Miss the Water" is a 1995 recording written by Gerry DeVeaux and Charlie Mole and performed by Chaka Khan, featuring vocals by Meshell Ndegeocello "Never Miss the Water" had been previously unreleased and was included in Chaka Khan's 1997, ". The track went to #36 on the soul singles chart. On the US dance chart, "Never Miss the Water" was Chaka Khan's sixth and, to date, last number one.
ground_truth: Etta James