Question: Dennis Coles (born May 9, 1970), better known by his stage name Ghostface Killah, is an American rapper and member of the Wu-Tang Clan. After the group achieved breakthrough success in the aftermath of Enter the Wu-Tang (36 Chambers), the members went on to pursue solo careers to varying levels of success. Ghostface Killah debuted his solo-career with Ironman in 1996, which was well received by music critics. He has continued his success over the following years with critically acclaimed albums such as Supreme Clientele (2000) and Fishscale (2006).

Ghostface released a collaborative album with D-Block member Sheek Louch called Wu Block. The album was released on November 27, 2012, on E1 Music and debuted at number 73 on the US Billboard 200 chart, with first-week sales of 8,600 copies in the United States. It fell to #152 in its second week selling 4,200 more copies. In an interview with Complex Magazine on November 17, 2012, Ghostface Killah confirmed that he has left Def Jam, making Apollo Kids his last album on the label. In the same interview he also stated that Blue & Cream, the sequel to his critically acclaimed album Supreme Clientele, is 80-85 percent done. On April 16, 2013, Ghostface released his tenth album Twelve Reasons to Die which was produced by Adrian Younge and executive produced by RZA. The album was released in various formats such as CD, vinyl and cassette under RZA's Soul Temple Records. The deluxe digital and CD versions also come with a comic book. He would later announce that the sequel to Supreme Clientele would be released between July and September 2013 and that his collaborative album with MF Doom would be released around Halloween 2013 though neither projects materialized. In January 2014, he appeared on the VH1 series Couples Therapy with his girlfriend Kelsey Nykole. Later that year Ghostface announced he would be releasing his eleventh album titled 36 Seasons in December 2014. He collaborated with Canadian jazz band BADBADNOTGOOD on an album titled Sour Soul which was released in 2015. A sequel to Twelve Reasons to Die, simply titled Twelve Reasons to Die II, was released on July 10, 2015. Ghostface had a string of UK and European tour dates scheduled in 2016 but no word on an upcoming album has been announced.

Using a quote from the above article, answer the following question: Did he have any other solo work?
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Answer: Later that year Ghostface announced he would be releasing his eleventh album titled 36 Seasons in December 2014.

Question: Franklin Joseph Lymon (September 30, 1942 - February 27, 1968), known professionally as Frankie Lymon, was an American rock and roll/rhythm and blues singer and songwriter, best known as the boy soprano lead singer of the New York City-based early rock and roll group The Teenagers. The group was composed of five boys, all in their early to mid-teens. The original lineup of the Teenagers, an integrated group, included three African-American members, Frankie Lymon, Jimmy Merchant, and Sherman Garnes; and two Puerto Rican members, Joe Negroni and Herman Santiago. The Teenagers' first single, 1956's "Why Do Fools Fall in Love," was also its biggest hit.

In early 1957, Lymon and the Teenagers broke up while on a tour in Europe. During an engagement at the London Palladium, Goldner began pushing Lymon as a solo act, giving him solo spots in the show. Lymon began performing with backing from pre-recorded tapes. The group's last single, "Goody Goody" backed with "Creation of Love," initially retained the "Frankie Lymon & the Teenagers" credit, but they were actually solo recordings (with backing by session singers). Lymon had officially departed from the group by September 1957; an in-progress studio album called Frankie Lymon and the Teenagers at the London Palladium was instead issued as a Lymon solo release. As a solo artist, Lymon was not nearly as successful as he had been with the Teenagers. Beginning with his second solo release, "My Girl", Lymon had moved to Roulette Records. On a July 19, 1957 episode of Alan Freed's live ABC TV show The Big Beat, Lymon began dancing with a white teenage girl while he was performing. His actions caused a scandal, particularly among Southern TV station owners, and The Big Beat was subsequently canceled. There is no surviving footage because the episode was taped over, according to Judith Fisher Freed. Lymon's slowly declining sales fell sharply in the early 1960s. Within the span of one year, as a result of heroin use, and the deepening of his voice to a baritone as a result of going through puberty. His highest-charting solo hit was a cover of Bobby Day's "Little Bitty Pretty One", which peaked at No. 58 on the Hot 100 pop chart in 1960 and which had been recorded in 1957. Addicted to heroin since the age of 15, Lymon fell further into his habit, and his performing career went into decline. According to Lymon in an interview with Ebony magazine in 1967, he was first introduced to heroin when he was 15 by a woman twice his age. In 1961, Roulette, now run by Morris Levy, ended their contract with Lymon and he entered a drug rehabilitation program. After losing Lymon, the Teenagers went through a string of replacement singers, the first of whom was Billy Lobrano. In 1960, Howard Kenny Bobo sang lead on "Tonight's the Night" with the Teenagers; later that year, Johnny Houston sang lead on two songs. The Teenagers, who had been moved by Morris Levy to End Records, were released from their contract in 1961. The Teenagers briefly reunited with Lymon in 1965, without success.

Using a quote from the above article, answer the following question: Why did the group break up?
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Answer:
In early 1957, Lymon and the Teenagers broke up while on a tour in Europe.