Question: Carl Wilhelm Scheele (German: [kaal 'vIlhelm 'Se:l@], Swedish: [ka:l 'vIlhelm 2he:le]

By the time he was a teenager, Scheele had learned the dominant theory of gases which in the 1770s was the phlogiston theory. Phlogiston, classified as "matter of fire", was supposed to be released from any burning material, and when it was exhausted, combustion would stop. When Scheele discovered oxygen he called it "fire air" as it supported combustion. Scheele explained oxygen using phlogistical terms because he did not believe that his discovery disproved the phlogiston theory.  Before Scheele made his discovery of oxygen, he studied air. Air was thought to be an element that made up the environment in which chemical reactions took place but did not interfere with the reactions. Scheele's investigation of air enabled him to conclude that air was a mixture of "fire air" and "foul air;" in other words, a mixture of two gases. Scheele performed numerous experiments in which he heated substances such as saltpetre (potassium nitrate), manganese dioxide, heavy metal nitrates, silver carbonate and mercuric oxide. In all of these experiments, he isolated the same gas: his "fire air," which he believed combined with phlogiston in materials to be released during heat-releasing reactions.  However, his first publication, Chemische Abhandlung von der Luft und dem Feuer, was delivered to the printer Swederus in 1775, but not published until 1777, at which time both Joseph Priestley and Lavoisier had already published their experimental data and conclusions concerning oxygen and the phlogiston theory. The first English edition, Chemical Observation and Experiments on Air and Fire was published in 1780, with an introduction "Chemical Treatise on Air and Fire".

Using a quote from the above article, answer the following question: what did he do with these theories?
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Answer: When Scheele discovered oxygen he called it "fire air" as it supported combustion.


Question: The Nitty Gritty Dirt Band, an American country rock band, has existed in various forms since its founding in Long Beach, California in 1966. The group's membership has had at least a dozen changes over the years, including a period from 1976 to 1981 when the band performed and recorded as the Dirt Band. Constant members since the early times are singer-guitarist Jeff Hanna and drummer Jimmie Fadden. Multi-instrumentalist John McEuen was with the band from 1966 to 1986 and returned during 2001 departing once again in November 2017.

The group was inactive for a 6-month period after Paint Your Wagon, then reformed with Jimmy Ibbotson replacing Chris Darrow. With William McEuen as producer and a renegotiated contract that gave the band more artistic freedom, the band recorded and released Uncle Charlie & His Dog Teddy, issued in 1970. Embracing a straight, traditional country and bluegrass sound, the album included the group's best-known singles; a cover version of Jerry Jeff Walker's "Mr. Bojangles", Michael Nesmith's "Some of Shelley's Blues", and four Kenny Loggins songs including "House at Pooh Corner", the first recordings of Loggins's songs. Their version of "Mr. Bojangles" became the group's first hit, peaking at #9 on Billboard's all genre Hot 100 chart, with an unusual 36 weeks on the charts.  The next album, All The Good Times, released during early 1972, had a similar style.  Nitty Gritty Dirt Band next sought to solidify its reputation as a country band when band member John McEuen asked Earl Scruggs if he would record with the group. Earl's "yes" was followed the next week when John asked Doc Watson the same question, receiving the same answer of 'yes'. This set in motion the further addition of other artists, and with the help of Earl and Louise Scruggs, they set to traveling to Nashville, Tennessee and recording what was to become a triple album, Will the Circle Be Unbroken with Nashville stalwarts Roy Acuff, Earl Scruggs, and Jimmy Martin, country pioneer Mother Maybelle Carter, folk-blues guitarist Doc Watson, Merle Travis, Norman Blake, and others. The title is from the song, "Will the Circle Be Unbroken (By and By)", as adapted by A. P. Carter, and reflects the album's theme of trying to tie together three generations of musicians: long-haired boys from California and older veterans of the middle American establishment. The track "I Saw the Light" with Acuff singing, was a success, and the album received two nominations for Grammy Award. Veteran fiddler Vassar Clements was introduced to a wider audience by the album and gave him a new career. The band also toured Japan twice soon after this period.  After the next album Les Thompson left the group, making the band a foursome. Stars & Stripes Forever was a live album that mixed old successes such as "Buy for Me the Rain" and "Mr. Bojangles" with Circle collaborations (fiddler Vassar Clements was a guest performer) and long storytelling spoken-word monologues. A studio album, Dream, was also released.  During July 1974, the band was among the headline acts at the Ozark Music Festival at the Missouri State Fairgrounds in Sedalia, Missouri. Some estimates put the crowd at 350,000 people, which would make this one of the largest music events in history. At another concert, the band opened for the rock band Aerosmith.

Using a quote from the above article, answer the following question: What singles were released from this album?
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Answer: