Some context: Johnny Burnette was born to Willie May and Dorsey Burnett Sr. in Memphis, Tennessee. (The "e" at the end of his name was added later.) Johnny grew up with his parents and Dorsey Jr. in a public housing project in the Lauderdale Courts area of Memphis, which from 1948 until 1954 was also the home of Gladys and Vernon Presley and their son, Elvis.
In 1952, the Burnette brothers and Burlison formed a group called the Rhythm Rangers. Johnny sang and played acoustic guitar, Dorsey played bass and Paul Burlison played lead guitar. For economic reasons, the three moved to New York in 1956 and managed to get an audition for Ted Mack's Original Amateur Hour. Winning the competition three times in a row gained them a place in the finals and a recording contract with Coral Records, and they renamed themselves the Rock and Roll Trio. They also gained a manager, the bandleader Henry Jerome, and a drummer, Tony Austin (a cousin of Carl Perkins). Promotional appearances were arranged on Dick Clark's American Bandstand, Steve Allen's Tonight Show and Perry Como's Kraft Music Hall, together with a summer tour with Carl Perkins and Gene Vincent. On Sunday September 9, 1956, they appeared as finalists in the Original Amateur Hour at Madison Square Garden. Despite this activity, the three singles they released over this period failed to make the national charts. In order to cover their living expenses, the Trio was forced to go on the road, for what seemed to be an endless stream of one-night stands. This exhausting regime led to squabbles, which were exacerbated in Dorsey's case by Jerome's use of the name Johnny Burnette and the Rock and Roll Trio on records and live dates. Things finally came to a head at a gig in Niagara Falls in autumn 1956, when, as a result of a fight, Dorsey quit the group a week before they were to appear in Alan Freed's film Rock, Rock, Rock. Johnny Black, the brother of Elvis's bassist Bill Black, was rapidly recruited to fill Dorsey's place. Despite the film appearance and three more single releases and one LP release, the group failed to achieve any chart success. The Rock and Roll Trio disbanded in autumn 1957.
what was the name of the group they formed?
A: Rhythm Rangers.

Some context: Kelly Brianne Clarkson (born April 24, 1982) is an American singer and songwriter. She rose to fame in 2002 after winning the inaugural season of the television series American Idol, which earned her a record deal with RCA Records. Clarkson's debut single, "A Moment Like This", topped the Billboard Hot 100 chart and became the best-selling single of 2002 in the US. It was followed by the release of her debut studio album, Thankful (2003), which debuted at number one on the Billboard 200.
In February 2016, it was announced that Clarkson had signed a book deal with HarperCollins. Her first children's book, titled River Rose and the Magical Lullaby was released on October 4, 2016. The book features an original lullaby written and performed by Clarkson. On the possibility of writing anymore books in the future Clarkson told Publishers Weekly, "I've got a few ideas - there could be a lullaby for each book. We've got a plethora of stories, and I've already written seven songs, full out, so we'll just have to see which ones might pan out to be a book. But yes, there will definitely be more." The second book featuring the character of River Rose titled River Rose and the Magical Christmas was released on October 24, 2017, and included a new original song written and sung by Clarkson, titled "Christmas Eve". On March 15, 2016, First Lady Michelle Obama released "This Is for My Girls", a collaborative track featuring vocals from Clarkson, Janelle Monae, Kelly Rowland, Lea Michele, Zendaya and Missy Elliott to coincide with Barack Obama's SXSW speech and to promote the First Lady's third-world educational initiative "Let Girls Learn". Clarkson recorded a solo version of "It's Quiet Uptown" for The Hamilton Mixtape. Her version was released on November 3, 2016, as a promotional single for the album. She also recorded a duet called "Love Goes On" with Aloe Blacc for the original soundtrack of The Shack which was released in the United States on March 3, 2017. On May 11, 2017, it was announced that Clarkson would join The Voice as a coach for the series' fourteenth season. On June 24, 2016, Clarkson announced she had signed a long-term worldwide deal with Atlantic Records, with the intentions of releasing a soul-influenced eighth studio album in 2017. In November 2016, Clarkson announced her intentions of releasing a new single in April 2017, with the album to follow in June. On September 4, 2017, Clarkson announced her new lead single "Love So Soft", which was released on September 7, 2017, along with the song "Move You" as well. On September 6, 2017, Clarkson announced that her album, Meaning of Life, would be released on October 27, 2017. Clarkson opened the 45th American Music Awards with P!nk; together they performed R.E.M.'s "Everybody Hurts" to honor first responders. Later in the show she performed "Miss Independent" and "Love So Soft". "Love So Soft" was nominated for Best Pop Solo Performance at the 60th Annual Grammy Awards. She now holds the record for the most nominations in that category with four. Clarkson lent her voice in the computer-animated film, The Star alongside Oprah Winfrey, Steven Yeun, Tyler Perry and others, which is based on the Nativity of Jesus. Developed by Sony Pictures Animation, the film was released on November 17, 2017. This was the first film in which Clarkson performed a voice role. Clarkson also had a guest voice role in the Netflix animated series Home: Adventures with Tip & Oh, portraying herself in the series' 2017 animated Christmas special, Home for the Holidays, alongside Ben Schwartz. In March 2018, Clarkson released "I've Loved You Since Forever", a ballad version of the children's book by Hoda Kotb.
What did Kelly Clarckson do on The Voice?
A:
On May 11, 2017, it was announced that Clarkson would join The Voice as a coach for the series' fourteenth season.