Title: Can't Let Go (Earth, Wind &amp; Fire song)
Content:  "Can't Let Go" was produced by Maurice White and composed by Bill Meyers, Maurice White and Allee Willis. The song was released on the 1979 studio album I Am. The single's B-side was a song called "Love Music" which was released on the 1978 compilation album The Best of Earth, Wind & Fire, Vol. 1.
Title: Can't Let Go (Mariah Carey song)
Content:  "Can't Let Go" is a song by American singer Mariah Carey from her second album, Emotions (1991). It was released as the album's second single in the fourth quarter of 1991 in the United States and the first quarter of 1992 elsewhere. The protagonist of this synthesizer-heavy ballad laments an ex-lover who has moved on, and though she tries she "can't let go." Carey had fallen out with her songwriting partner Ben Margulies following a financial dispute, and her record label suggested that she work with the other producers of her debut album such as Rhett Lawrence, Ric Wake and Narada Michael Walden. She chose Walter Afanasieff, who had produced her second single "Love Takes Time" (1990), and "Can't Let Go" was one of the songs they created. After the release of the single "Emotions," "Can't Let Go" was promoted on both The Arsenio Hall Show in September 1991 and Saturday Night Live in November 1991 when she was the musical guest in the episode which featured Linda Hamilton as the host. "Can't Let Go" was later included on Carey's compilation album The Ballads (2008).
Title: Can't Let Go (Anthony Hamilton song)
Content:  "Can't Let Go" is an R&B–soul song written by American singer-songwriter Anthony Hamilton and songwriter/producer Mark Batson for Hamilton's third album, Ain't Nobody Worryin' (2005). Released in as the album's lead single in October 2005 and produced by Batson, it debuted at number seventy-six on the Hot R&B/Hip-Hop Songs the week of November 5, 2005; there, it had a whopping sixty-eight-week chart run, peaking at number thirteen. On the Billboard Hot 100, where it entered at number ninety-three the week of March 18, 2006, the stay was much more brief (nineteen weeks), as was its peak position (number seventy-one).
Title: Can't Let You Go
Content:  "Can't Let You Go" is a song by American hip-hop artist Fabolous. It was released on February 23, 2003 as the second single from his second studio album Street Dreams. It is a hip hop and R&B song that features Mike Shorey and Lil' Mo and was produced by Just Blaze.
Title: Can't Let Go (Linda Király song)
Content:  "Can't Let Go" is a song by Linda Király. It was planned to be the lead single of her debut English-language album Linda Kiraly, which never materialized. The song was produced by Rodney Jerkins.
Title: Can't Let Go (Earth, Wind &amp; Fire song)
Content:  "Can't Let Go" is a single by R&B/funk band Earth, Wind & Fire released in 1979 on ARC/Columbia Records. The song peaked at No. 12 on the Blues & Soul Top British Soul Singles chart, No. 31 on the Dutch Pop Singles chart and No. 46 on the UK Pop Singles chart.
Title: I Can't Let Go
Content:  "I Can't Let Go" is a song co-written by Al Gorgoni and Chip Taylor, who also wrote "Wild Thing". "I Can't Let Go" was originally recorded by blue-eyed soul singer Evie Sands' on George Goldner's Blue Cat label, which was popular in New York City in 1965. The song became popular in 1966 for the group The Hollies, who charted at number two in the UK Singles Chart with their version. Linda Ronstadt covered the song in 1980 and had a number 31 hit on the US Billboard Hot 100 chart.
Title: Can't Let Go (Mariah Carey song)
Content:  "Can't Let Go" is written in the key of F major (with minor interminglings), ascending up to F major (with similar qualities) to close the song out — a common pop tonal effect. Mariah's vocals range from the low note of F3 to the high note of B6, at a moderately slow tempo of 81 beats per minute, according to Musicnotes.com.
Title: I Just Can't Let Go
Content:  "I Just Can't Let Go" is a song by David Pack, featuring Michael McDonald and James Ingram. It was released as a single in 1986 and was the third of three charting singles released from Pack's debut solo album, Anywhere You Go. The song reached No. 13 on the U.S. Billboard Adult Contemporary chart during the fall of 1986. It spent 11 weeks on the chart. The song was re-recorded in 1996 by Ambrosia together with Pack (the band having reunited in 1989) for their 1997 Anthology compilation. It was released as a single that year and reached No. 26 on the Adult Contemporary chart. This version 
Title: I Can't Let Go (Smash song)
Content:  "I Can't Let Go" is an original song introduced in the fourth episode of the second season of the musical TV series Smash, entitled "The Song". It was written by Marc Shaiman and Scott Wittman. Within the show's universe, it was written by songwriting team Jimmy Collins (Jeremy Jordan) and Kyle Bishop (Andy Mientus) for their musical Hit List. In the episode, Broadway star Veronica Moore (Jennifer Hudson) is rehearsing for a one night only concert with the help of Tom Levitt (Christian Borle) and Derek Wills (Jack Davenport) and struggling to figure out the direction that it should take. Karen Cartwright (Katharine McPhee) learns that they 

Question: Who was the composer of Can't Let Go?
Answer: Mariah Carey.
MC.
Mirage.
Mimi.
Elusive Chanteuse.
Songbird Supreme.
Carey.