Problem: Background: Buena Vista Social Club is an ensemble of Cuban musicians established in 1996 to revive the music of pre-revolutionary Cuba. The project was organized by World Circuit executive Nick Gold, produced by American guitarist Ry Cooder and directed by Juan de Marcos Gonzalez. They named the group after the homonymous members' club in the Buenavista quarter of Havana, a popular music venue in the 1940s. To showcase the popular styles of the time, such as son, bolero and danzon, they recruited a dozen veteran musicians, many of whom had been retired for years.
Context: The first performances by the full line up of Buena Vista Social Club, including Cooder, were those filmed by Wenders in Amsterdam and New York. Other international shows and T.V. appearances soon followed with varying line ups. Ibrahim Ferrer and Ruben Gonzalez performed together in Los Angeles in 1998 to an audience that included Alanis Morissette, Sean Combs, and Jennifer Lopez, Ferrer dedicating the song Mami Me Gusto to the Hispanic Lopez. Performances in Florida, which has a large Cuban exile and Cuban American community, were rare after the release of the film due to the political climate. In the late 1990s, a concert by Cuban jazz pianist Gonzalo Rubalcaba turned into a near riot when concert goers were attacked and spat at by protesters opposed to the Cuban government. When "Buena Vista" musicians played for a music industry conference at Miami Beach in 1998, hundreds of protesters chanted outside and the convention center hall was cleared briefly because of a bomb threat. In 1999, Ferrer and Ruben Gonzalez were forced to cancel Miami shows citing fears for their safety after fellow-Cubans Los Van Van drew 4,000 protesters at a previous show, and Compay Segundo was forced to cut short a 1999 Miami performance due to another bomb threat. When touring the U.S., the Cubans are only entitled to their per diem (transportation and lodging) and are not permitted performance fees due to the U.S. embargo. In 2001 a Buena Vista Social Club (with Ibrahim Ferrer) performance was recorded in Austin for PBS and broadcast on Austin City Limits in 2002. Buena Vista Social Club continue to tour throughout the world as Orquesta Buena Vista Social Club, and despite the deaths of six of the original members, the collective performs with many of the remaining ensemble members including Barbarito Torres and "Guajiro" Mirabal. Ry Cooder's guitar parts are handled by Manuel Galban, a former member of Cuban vocal group Los Zafiros, who played on Ibrahim Ferrer's first solo record with Cooder and appeared in Wim Wenders' film. Following a 2007 performance in London, a reviewer at The Independent described the ensemble as "something of an anomaly in music business terms, due to their changing line-up and the fact that they've never really had one defining front person", adding, "It's hard to know what to expect from what is more of a brand than a band."
Question: Where did they tour?
Answer: London,

Problem: Background: Muddy Waters' birthplace and date are not conclusively known. He stated that he was born in Rolling Fork, Mississippi, in 1915, but it is believed to be more likely that he was born in Jug's Corner, in neighboring Issaquena County, in 1913. Recent research has uncovered documentation showing that in the 1930s and 1940s, before his rise to fame, the year of his birth was reported as 1913 on his marriage license, recording notes, and musicians' union card. A 1955 interview in the Chicago Defender is the earliest in which he stated 1915 as the year of his birth, and he continued to say this in interviews from that point onward.
Context: Initially, the Chess brothers would not allow Muddy Waters to use his working band in the recording studio; instead, he was provided with a backing bass by Ernest "Big" Crawford or by musicians assembled specifically for the recording session, including "Baby Face" Leroy Foster and Johnny Jones. Gradually, Chess relented, and by September 1953 he was recording with one of the most acclaimed blues groups in history: Little Walter Jacobs on harmonica, Jimmy Rogers on guitar, Elga Edmonds (also known as Elgin Evans) on drums, and Otis Spann on piano. The band recorded a series of blues classics during the early 1950s, some with the help of the bassist and songwriter Willie Dixon, including "Hoochie Coochie Man", "I Just Want to Make Love to You", and "I'm Ready". Along with his former harmonica player Little Walter Jacobs and recent southern transplant Howlin' Wolf, Muddy Waters reigned over the early 1950s Chicago blues scene, his band becoming a proving ground for some of the city's best blues talent. Little Walter continued a collaborative relationship long after he left Muddy Waters's band in 1952, appearing on most of the band's classic recordings in the 1950s. Muddy Waters developed a long-running, generally good-natured rivalry with Wolf. The success of his ensemble paved the way for others in his group to make their own solo careers. In 1952, Little Walter left when his single "Juke" became a hit, and in 1955, Rogers quit to work exclusively with his own band, which had been a sideline until that time. During the mid-1950s, Muddy Waters' singles were frequently on Billboard magazine's various Rhythm & Blues charts including "Sugar Sweet" in 1955 and "Trouble No More", "Forty Days and Forty Nights", and "Don't Go No Farther" in 1956. 1956 also saw the release of one of his best-known numbers, "Got My Mojo Working", although it did not appear on the charts. However, by the late 1950s, his singles success had come to an end, with only "Close to You" reaching the chart in 1958. Also in 1958, Chess released Muddy Waters' first album, The Best of Muddy Waters, which collected twelve of his singles up to 1956.
Question: Which singles made the charts?
Answer:
"Sugar Sweet" in 1955 and "Trouble No More", "Forty Days and Forty Nights", and "Don't Go No Farther" in 1956.