input: Following his tour of duty in the United States Army, Bacharach spent the next three years as a pianist and conductor for popular singer Vic Damone. Damone recalls: "Burt was clearly bound to go out on his own. He was an exceptionally talented, classically trained pianist, with very clear ideas on the musicality of songs, how they should be played, and what they should sound like. I appreciated his musical gifts." He later worked in similar capacity for various other singers, including Polly Bergen, Steve Lawrence, the Ames Brothers and Paula Stewart (who became his first wife). When he was unable to find better jobs, Bacharach worked at resorts in the Catskill Mountains of New York, where he accompanied singers such as Joel Grey.  In 1956, at age 28, Bacharach's productivity increased when composer Peter Matz recommended him to Marlene Dietrich, who needed an arranger and conductor for her nightclub shows. He then became part-time music director for Dietrich, the German actress and singer who had been an international screen star in the 1930s. They toured worldwide off and on until the early 1960s; when they weren't touring, he wrote songs. As a result of his collaboration with Dietrich, he gained his first major recognition as a conductor and arranger.  In her autobiography, she remembered that Bacharach loved touring in Russia and Poland because the violinists were "extraordinary," and musicians were greatly appreciated by the public. He liked Edinburgh and Paris, along with the Scandinavian countries, and "he also felt at home in Israel," she says, where music was similarly "much revered." Their working relationship ceased by the early 1960s, after about five years with Dietrich, with Bacharach telling her that he wanted to devote his full-time to songwriting. She thought of her time with him as "seventh heaven ... As a man, he embodied everything a woman could wish for. ... How many such men are there? For me he was the only one."

Answer this question "Did he ever work by himself"
output: 

Question: ABBA (Swedish pronunciation: [2ab:a]) were a Swedish pop group, formed in Stockholm in 1972 by Agnetha Faltskog, Bjorn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad: the group name derives from the first letter in each of their names. They became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1974 to 1982. ABBA won the Eurovision Song Contest 1974 at The Dome in Brighton, UK, giving Sweden its first triumph in the contest. They are the most successful group to have taken part in the competition.

In March 1976, the band released the compilation album Greatest Hits, despite having had only six top 40 hits in the United Kingdom and the United States. Nevertheless, it became their first UK number-one album, and also took ABBA into the Top 50 on the US album charts for the first time, eventually selling more than a million copies there. At the same time, Germany released a compilation named The Very Best of ABBA, also becoming a number-one album there whereas the Greatest Hits compilation followed a few months later to number-two on the German charts, despite all similarities with The Very Best album. Also included on Greatest Hits was a new single, "Fernando", which went to number-one in at least thirteen countries worldwide, including the United Kingdom, Germany and Australia, and the single went on to sell over 10 million copies worldwide. In Australia, the song occupied the top position for 14 weeks (and stayed in the chart for 40 weeks), tying with the Beatles' "Hey Jude" for longest-running number-one, and making "Fernando" one of the best-selling singles of all time in Australia. That same year, the group received its first international prize, with "Fernando" being chosen as the "Best Studio Recording of 1975". In the United States, "Fernando" reached the Top 10 of the Cashbox Top 100 singles chart and number 13 on the Billboard Hot 100. It also topped the Billboard Adult Contemporary chart, ABBA's first American number-one single on any chart.  The group's fourth studio album, Arrival, a number-one best-seller in Europe and Australia, represented a new level of accomplishment in both songwriting and studio work, prompting rave reviews from more rock-oriented UK music weeklies such as Melody Maker and New Musical Express, and mostly appreciative notices from US critics. Hit after hit flowed from Arrival: "Money, Money, Money", another number-one in Germany and Australia, and "Knowing Me, Knowing You", ABBA's sixth consecutive German number-one as well as another UK number-one. The real sensation was "Dancing Queen", not only topping the charts in loyal markets the UK, Germany and Australia, but also reaching number-one in the United States. In South Africa, ABBA had astounding success with "Fernando", "Dancing Queen" and "Knowing Me, Knowing You" being among the top 20 best-selling singles for 1976-77. In 1977, Arrival was nominated for the inaugural BRIT Award in the category "Best International Album of the Year". By this time ABBA were popular in the United Kingdom, most of Western Europe, Australia and New Zealand. In Frida - The DVD, Lyngstad explains how she and Faltskog developed as singers, as ABBA's recordings grew more complex over the years.  The band's popularity in the United States would remain on a comparatively smaller scale, and "Dancing Queen" became the only Billboard Hot 100 number-one single ABBA had there (they did, however, get three more singles to the number-one position on other Billboard charts, including Billboard Adult Contemporary and Hot Dance Club Play). Nevertheless, Arrival finally became a true breakthrough release for ABBA on the US album market where it peaked at number 20 on the Billboard 200 chart and was certified gold by RIAA.

Using a quote from the above article, answer the following question: what was it called?
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Answer:
Greatest Hits,