input: As the group entered the Melodifestivalen with "Ring Ring" but failed to qualify as the 1973 Swedish entry, Stig Anderson immediately started planning for the 1974 contest. Ulvaeus, Andersson and Stig Anderson believed in the possibilities of using the Eurovision Song Contest as a way to make the music business aware of them as songwriters, as well as the band itself. In late 1973, they were invited by Swedish television to contribute a song for the Melodifestivalen 1974 and from a number of new songs, the upbeat song "Waterloo" was chosen; the group was now inspired by the growing glam rock scene in England. ABBA won their national heats on Swedish television on 9 February 1974, and with this third attempt were far more experienced and better prepared for the Eurovision Song Contest. Winning the 1974 Contest on 6 April 1974 gave ABBA the chance to tour Europe and perform on major television shows; thus the band saw the "Waterloo" single chart in many European countries. "Waterloo" was ABBA's first number-one single in big markets such as the UK and West Germany. In the United States, the song peaked at number-six on the Billboard Hot 100 chart, paving the way for their first album and their first trip as a group there. Albeit a short promotional visit, it included their first performance on American television, The Mike Douglas Show. The album Waterloo only peaked at number 145 on the Billboard 200 chart, but received unanimous high praise from the US critics: Los Angeles Times called it "a compelling and fascinating debut album that captures the spirit of mainstream pop quite effectively ... an immensely enjoyable and pleasant project", while Creem characterised it as "a perfect blend of exceptional, lovable compositions". ABBA's follow-up single, "Honey, Honey", peaked at number 27 on the US Billboard Hot 100, and was a number-two hit in West Germany. However, in the United Kingdom, ABBA's British record label, Epic, decided to re-release a remixed version of "Ring Ring" instead of "Honey, Honey", and a cover version of the latter by Sweet Dreams peaked at number 10. Both records debuted on the UK chart within one week of each other. "Ring Ring" failed to reach the Top 30 in the United Kingdom, increasing growing speculation that the group was simply a Eurovision one-hit wonder.

Answer this question "How did the crowd react to Waterloo?"
output: ABBA won their national heats on Swedish television

Problem: Background: Koch was born in Crotona Park East section of The Bronx borough of New York City, the son of Yetta (or Joyce, nee Silpe) and Louis (Leib) Koch, immigrants from Kozliv and Uscieczko in Eastern Galicia. He came from a family of Conservative Jews who resided in Newark, New Jersey, where his father worked at a theater. As a child, he worked as a hatcheck boy in a Newark dance hall. He graduated from South Side High School in Newark in 1941.
Context: In the years following his mayoralty, Koch became a partner in the law firm of Robinson, Silverman, Pearce, Aronsohn, and Berman LLP, (now Bryan Cave LLP) and became a commentator on politics, as well reviewing movies and restaurants, for newspapers, radio and television. He also became an adjunct professor at New York University (NYU) and was the judge on The People's Court for two years (1997-1999), following the retirement of Judge Joseph Wapner. In 1999, he was a visiting professor at Brandeis University. Koch regularly appeared on the lecture circuit, and had a highly rated local talk show on WABC radio. He also hosted his own movie review video show on the web called The Mayor at the Movies. On August 12, 1993, a street in southern Tel Aviv was named after Koch in a ceremony attended by him along prominent Israeli and American dignitaries. In 2004, together with his sister Pat (also Pauline) Koch Thaler, Koch wrote a children's book, Eddie, Harold's Little Brother; the book told the story of Koch's own childhood, when he tried unsuccessfully to emulate his older brother Harold's baseball talents, before realizing that he should instead focus on what he was already good at, which was telling stories and speaking in public. On March 23, 2011, the New York City Council voted to rename the Queensboro Bridge as the "Ed Koch Queensboro Bridge" in honor of the former mayor. Later, city councilman Peter Vallone (D-Queens) introduced legislation banning the naming of New York City property after people who are still alive. The legislation subsequently failed. In May 2011 Koch sat for a portrait by Dmitry Borshch which has been exhibited at the Institute of Oriental Studies of the Russian Academy of Sciences, DePaul University, Brecht Forum, CUNY Graduate Center and is included in the Catalog of American Portraits, maintained by the Smithsonian's National Portrait Gallery.
Question: Was he involved in any bad things or scandals in his later life?
Answer:

Question: In music, sampling is the act of taking a portion, or sample, of one sound recording and reusing it as an instrument or a sound recording in a different song or piece. Sampling was originally developed by experimental musicians working with musique concrete and electroacoustic music, who physically manipulated tape loops or vinyl records on a phonograph. By the late 1960s, the use of tape loop sampling influenced the development of minimalist music and the production of psychedelic rock and jazz fusion. Hip hop music was the first popular music genre based on the art of sampling - being born from 1970s DJs who experimented with manipulating vinyl on two turntables and an audio mixer.

Whereas loops are usually a phrase played on a musical instrument, this type of sample is usually a single note. Music workstations and samplers use samples of musical instruments as the basis of their own sounds, and are capable of playing a sample back at any pitch. Many modern synthesizers and drum machines also use samples as the basis of their sounds. (See sample-based synthesis for more information.) Most such samples are created in professional recording studios using world-class instruments played by accomplished musicians. These are usually developed by the manufacturer of the instrument or by a subcontractor who specializes in creating such samples. There are businesses and individuals who create libraries of samples of musical instruments. Of course, a sampler allows anyone to create such samples. Possibly the earliest equipment used to sample recorded instrument sounds are the Chamberlin, which was developed in the 1940s, and its better-known cousin, the Mellotron, marketed in England in the 1960s. Both are tape replay keyboards, in which each key pressed triggers a prerecorded tape recording of a single note. Musicians can reproduce the same samples of break beats like the "Amen" break which was composed, produced and mastered by The Winstons in 1960s. Producers in the early 1990s have used the whole 5.66 second sample, but music workstations like the Korg Electribe Series (EM-1, ES-1; EMX-1 and the ESX-1) have used the "Amen" kick, hi hat and snare in their sound wave libraries for free use. Sampler production companies have managed to use these samples for pitch, attack and decay and DSP effects to each drum sound. These features allow producers to manipulate samples to match other parts of the composition. Most sample sets consist of multiple samples at different pitches. These are combined into keymaps, that associate each sample with a particular pitch or pitch range. Often, these sample maps may have different layers as well, so that different velocities can trigger a different sample. Samples used in musical instruments sometimes have a looped component. An instrument with indefinite sustain, such as a pipe organ, does not need to be represented by a very long sample because the sustained portion of the timbre is looped. The sampler (or other sample playback instrument) plays the attack and decay portion of the sample followed by the looped sustain portion for as long as the note is held, then plays the release portion of the sample.

Using a quote from the above article, answer the following question: What songs did they make
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Answer:
Musicians can reproduce the same samples of break beats like the "Amen" break which was composed, produced and mastered by The Winstons in 1960s.