Title: Let It Go!
Content:  "Let It Go!" was written by Kaji Katsura, Choi Minhwan and Lee Hongki and composed by Corin and Choi Jong-hoon. "Dream Sky" was written and composed by Song Seunghyun, with additional composition by Choi Minhwan. "Someday" was written and composed by Lee Jaejin.
Title: Let It Go
Content:  It's not a perfect thing, but it's powerful." "Let It Go" was the first song written by Kristen Anderson-Lopez and Robert Lopez for the film that made it in, since songs composed earlier were eventually cut. The story outline they were given had a place reserved for "Elsa's Badass Song", which was what they were trying to write. The duo took inspiration from the songs of the Disney Renaissance such as The Little Mermaid and Beauty and the Beast and various artists including Adele, Aimee Mann, Avril Lavigne (whose 2002 debut album was titled Let Go), Lady Gaga, and Carole King. The song finally began to gel one day as the couple walked together from their home in Park Slope to nearby 
Title: Let It Go
Content:  The decision to release a single for "Let It Go" was made after the song was written and was presented to Disney. Kristen Anderson-Lopez and Robert Lopez selected American singer and former Disney Channel star Demi Lovato, who also appears on Disney's Hollywood Records roster, to cover the song on the soundtrack album. It was included in the deluxe edition of Demi.
Title: Let It Go (Anna Rossinelli song)
Content:  "Let It Go" is a song performed by Swiss singer Anna Rossinelli from her second studio album Marylou. The single was released on March 6, 2013, as a digital download in Switzerland. The song was written by Georg Schlunegger, Anna Rossinelli, Georg Dillier and Manuel Meisel.
Title: Let It Go (Jacky Cheung song)
Content:  "Let It Go" was written over the internet by Daniel Lindstrom and Daniele Musto in Stockholm, Sweden and Roxanne Seeman in Santa Monica, California. The lyrics for "Let It Go" were adapted into Cantonese by Hong Kong songwriter Kenny So, but the chorus hook line Let It Go remained in English. The song is produced by Andrew Tuason. The recording features a gospel choir arranged by and performed with Sylvia St. James, National Director of the House of Blues Gospel Brunch at the time of the recording.
Title: Let It Go
Content:  "Let It Go" is a song from Disney's 2013 computer-animated feature film Frozen, whose music and lyrics were composed by husband-and-wife songwriting team Kristen Anderson-Lopez and Robert Lopez. The song was performed in its original show-tune version in the film by American actress and singer Idina Menzel in her vocal role as Queen Elsa. It was later released as a single, being promoted to adult contemporary radio by Walt Disney Records in January 2014. Anderson-Lopez and Lopez also composed a simplified pop version (with shorter lyrics and background chorus) which was performed by actor and singer Demi Lovato over the start of the film's closing credits. Disney's music division planned to release Lovato's version of the song before Menzel's, 
Title: Let It Go (George Strait song)
Content:  "Let It Go" is a song recorded by American country music artist George Strait. Strait co-wrote it with his son Bubba Strait and Keith Gattis. It was released April 20, 2015, as the lead-off single from his 28th studio album Cold Beer Conversation.
Title: Letitgo
Content:  "Letitgo" is a song by American musician Prince from his 1994 album Come. Despite statements that the album consisted entirely of "old" material, "Letitgo" was actually newly composed for the album. The mid-tempo song relies heavily on a drum machine pattern and bass guitar with synthesizers in the refrain. A keyboard and percussion solo appear toward the end. The song is sung in falsetto in unison with another track layered in his regular, lower register. Kathleen Bradford provides backing vocals, while Eric Leeds provides flute accompaniment. The track was produced, arranged, composed and performed by Prince, with the additions of Kathleen Bradford on background vocals, Eric Leeds on flute and additional keyboards by Ricky Peterson. The lyrics speak of Prince's disappointment with Warner Bros. Records' decision not to release music as quickly as Prince created it. He chides 
Title: Let It Go (Wiz Khalifa song)
Content:  Let It Go is song by American hip hop recording artist Wiz Khalifa, featuring vocals from singer Akon, from the Khalifa's second studio album O.N.I.F.C. (2012).
Title: Let It Go (Tim McGraw song)
Content:  "Let It Go" is a song written by Aimee Mayo, Bill Luther and Tom Douglas, and performed by American country music singer Tim McGraw. It was released in July 2008 as the sixth single and title track from his album Let It Go. It was his forty-second Top 40 hit on the Billboard country charts.

Question: Who was the composer of Let It Go?
Answer: Robert Lopez.
Robert Joseph Lopez.
Kristen Anderson-Lopez.
Kristen Anderson.
Kristen Jane Anderson.