Ruby Buckton is a fictional character from the Australian Channel Seven soap opera "Home and Away", played by Rebecca Breeds.
 She debuted on-screen during the episode airing on 20 June 2008.
 Ruby was created by executive producer Cameron Welsh.
 When she was first introduced she appeared to hide her problems and pretends to be strong.
 She was characterised as a free spirited and independent girl.
 Her storylines have consistently followed themes such as romance, unrequited love and rejection.
 In what has been described as a "shock storyline" Ruby discovered her sister Charlie Buckton was in fact her mother.
 This had subsequent effects in her character development.
 She became out of place and confused about her life.
 It destroyed her trust in Charlie and their relationship never recovered.
 Ruby went on a journey of self-discovery and used men to redefine herself.
 Her relationship with Xavier Austin was characterised through their mutual friendship, which ended through lack of passion.
 She controversially fell in love with her music teacher Liam Murphy, the pair shared an emotional and creative connection through music.
 Yet, her advances were unrequited and it created problems with her state of mind and began binge drinking.
 Breeds felt the storyline differed to her romance with Xavier, as it showed Ruby "headstrong and unconfined".
 Breeds felt they were ill-suited to one another.
"Bell Bottom Blues" is a song written by Eric Clapton and Bobby Whitlock and performed by the band Derek and the Dominos.
 It deals with Clapton's unrequited love for Pattie Boyd, the wife of his friend George Harrison, and appears on the 1970 double album "Layla and Other Assorted Love Songs".
 Issued as a single, backed with "Keep on Growing", the song reached number 91 on the "Billboard" Hot 100 in 1971.
 A re-release backed with "Little Wing" peaked at number 78 on the same chart.
Give My Love to Rose is a country song by Johnny Cash, which he recorded together with the Tennessee Two at Sun Records under the production of Sam Phillips in 1957.
 The song was released in August of the same year as the B-side of the single "Home of the Blues" (Sun 279), which reached No. 3 in the Country Jockey charts and No. 5 in the Country & Western Chart.
 "Give My Love To Rose" reached No. 13 in the Country & Western Chart.
"Mad About the Boy" is a popular song with words and music by actor and playwright Sir Noël Coward.
 It was introduced in the 1932 revue "Words and Music" by Joyce Barbour, Steffi Duna, Norah Howard and Doris Hare.
 The song deals with the theme of unrequited love for a film star.
 It was written to be sung by female characters, although Coward also wrote a version, which was never performed, that contained references to the then risqué topic of homosexual love.
 The song gained new popularity in 1992 when Dinah Washington's rendition was used in the Levi's television advertisement "Swimmer", directed by Tarsem Singh.
"I Can't Stop Loving You" is a popular song written and composed by country singer, songwriter and musician Don Gibson, who first recorded it on December 30, 1957, for RCA Victor Records.
 It was released in 1958 as the B-side of "Oh, Lonesome Me", becoming a double-sided country hit single.
A torch song is a sentimental love song, typically one in which the singer laments an unrequited or lost love, either where one party is oblivious to the existence of the other, where one party has moved on, or where a romantic affair has affected the relationship.
 The term comes from the saying, "to carry a torch for someone", or to keep aflame the light of an unrequited love.
 Tommy Lyman started the use in his praise of "My Melancholy Baby."
"Oh Lonesome Me" is a popular song written and recorded in December 1957 by Don Gibson with Chet Atkins producing it for RCA Victor in Nashville.
 Released in 1958, the song topped the country chart for eight non-consecutive weeks in addition to reaching No. 7 on the "Billboard" Hot 100.
 Its B-side was "I Can't Stop Loving You", which peaked at No. 7 on the C&W Jockey charts and became a standard song about unrequited love.
"Sayonara Memories" (さよならメモリーズ , Sayonara Memorīzu , lit.
 "Goodbye Memories") is a J-pop song by the Japanese band Supercell, written by Ryo.
 Supercell released it as their second single in February 2010 by Sony Music.
 A music video was produced for "Sayonara Memories", directed by Takahiro Miki and Taiki Ueda.
 Lyrically, the song deals with an unrequited love.
 The single peaked at No. 7 on Japan's weekly Oricon singles chart.
"I Don't Care" is a 1955 song written by Webb Pierce and Cindy Walker and originally performed by Webb Pierce.
 "I Don't Care" spent twelve weeks at number one on the C&W Best Seller charts and spent a total of thirty-two weeks on the charts.
 "The B-side of "I Don't Care" a song entitled, "Your Good for Nothing Heart" spent six weeks on the Juke Box and C&W Jockey charts.
"Opus No. 1" is a popular song, composed in 1943 by Sy Oliver, with lyrics by Sid Garris.
 The tune is often titled "Opus One", or "Opus #1".
 It has become a standard song in the swing, jazz and big band repertoire.

Question: Who composed the popular song which peaked at No. 7 on the C&W Jockey charts and became a standard song about unrequited love
Answer: Don Gibson