Question: Journey is an American rock band that formed in San Francisco in 1973, composed of former members of Santana and Frumious Bandersnatch. The band has gone through several phases; its strongest commercial success occurred between 1978 and 1987. During that period, the band released a series of hit songs, including "Don't Stop Believin'" (1981), which in 2009 became the top-selling track in iTunes history among songs not released in the 21st century. Its parent studio album, Escape, the band's eighth and most successful, reached No. 1 on the Billboard 200 and yielded another of their most popular singles, "Open Arms".

Journey's album sales did not improve and Columbia Records requested that they change their musical style and add a frontman, with whom keyboardist Gregg Rolie could share lead vocal duties. The band hired Robert Fleischman and transitioned to a more popular style, akin to that of Foreigner and Boston. Journey went on tour with Fleischman in 1977 and together the new incarnation of the band wrote the hit "Wheel in the Sky"; however, management differences resulted in Fleischman leaving within the year. In late 1977, Journey hired Steve Perry as their new lead singer. Herbie Herbert, the band's manager, also hired Roy Thomas Baker as a producer to add a layered sound approach as Baker had done with his previous band, Queen. With their new lead singer and talented new producer, Journey released their fourth album, Infinity (1978). This album set Journey on their road to stardom with their first RIAA-certified platinum album. This album, with their hit song "Wheel in the Sky" (#57 U.S.), set Journey on a new path with a more mainstream sound to make their highest chart success to date. In late 1978, manager Herbie Herbert fired drummer Aynsley Dunbar, who joined Bay Area rivals Jefferson Starship shortly thereafter. He was replaced by Berklee-trained jazz drummer Steve Smith. Perry, Schon, Rolie, Smith and Valory recorded Evolution (1979), which gave the band their first Billboard Hot 100 Top 20 single, "Lovin', Touchin', Squeezin'" (#16); and Departure (1980), which reached No. 8 on the album charts. Journey's newfound success brought the band an almost entirely new fan base. During the 1980 Departure world tour, the band recorded a live album, Captured. Keyboardist Gregg Rolie then left the band, the second time in his career he left a successful act. Keyboardist Stevie "Keys" Roseman was brought in to record the lone studio track for Captured, "The Party's Over (Hopelessly in Love)," but Rolie recommended pianist Jonathan Cain of The Babys as the permanent replacement. With Cain's replacement of Rolie's Hammond B-3 organ with his own synthesizers, the band was poised for a new decade in which they would achieve their greatest musical success.

Using a quote from the above article, answer the following question: What musical singles were on the album Infinity?
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Answer: This album, with their hit song "Wheel in the Sky" (#57 U.S.), set Journey on a new path with a more mainstream sound

Question: War (originally called Eric Burdon and War) is an American funk band from Long Beach, California, known for several hit songs (including "Spill the Wine", "The World Is a Ghetto", "The Cisco Kid", "Why Can't We Be Friends?", "Low Rider", and "Summer"). Formed in 1969, War is a musical crossover band which fuses elements of rock, funk, jazz, Latin, rhythm and blues, and reggae. Their album The World Is a Ghetto was the best-selling album of 1973. The band also transcended racial and cultural barriers with a multi-ethnic line-up.

Eric Burdon and War toured extensively across Europe and the United States. A reviewer from New Musical Express called War "the best live band I ever saw" after their first UK gig in London's Hyde Park. Their show at Ronnie Scott's Club in London on September 18, 1970 is historically notable for being the very last public performance for Jimi Hendrix, who joined them onstage for the last 35 minutes of Burdon's & War's 2nd set; a day later he was dead. A second Eric Burdon and War album, a two-disc set titled The Black-Man's Burdon was released in 1970, before Burdon left the band in the middle of its European tour. They finished the tour without him and returned to record their first album as War. War (1971) met with only modest success, but later that year, the band released All Day Music which included the singles "All Day Music" and "Slippin' into Darkness". The latter single sold over one million copies, and was awarded a gold disc by the R.I.A.A. in June 1972. In 1972 they released The World Is a Ghetto which was even more successful. Its second single, "The Cisco Kid" shipped gold, and the album attained the number two spot on Billboard Hot 100 chart, and was Billboard magazine's Album of the Year as the best-selling album of 1973. The next album, Deliver the Word (1973) contained the hits "Gypsy Man" and a studio version of "Me and Baby Brother" (previously issued as a live recording), which peaked at #8 and #15 on the Billboard chart. The album went on to sell nearly two million copies. The next album, Why Can't We Be Friends? was released in 1975. It included "Low Rider" and the title track, which were among the band's biggest hits. In 1976, War released a greatest hits record which contained one new song "Summer", which, as a single, went gold and peaked at number 7 on the Billboard chart. Also released that year were Love is All Around by Eric Burdon and War, containing mostly unreleased recordings from 1969 and 1970, and Platinum Jazz, a one-off album for jazz label Blue Note. The latter double album had cover art to match the greatest hits album, and was half new material and half compilation, focusing on (but not restricted to) instrumental music. The group continued to attain success with their next album, Galaxy (1977) whose title single was inspired by Star Wars. War's next project was a soundtrack album for the movie Youngblood in 1978.

Using a quote from the above article, answer the following question: What was their most popular album?
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Answer:
"Slippin' into Darkness". The latter single sold over one million copies, and was awarded a gold disc by the R.I.A.A. in June 1972.