Question:
Sonata Arctica is a Finnish power metal band from the town of Kemi, Finland. Created as a hard rock band named Tricky Beans, they later changed to Tricky Means and finally to Sonata Arctica, when they shifted to power metal. The current line-up consists of singer, keyboardist and songwriter Tony Kakko, guitarist Elias Viljanen, bass guitarist Pasi Kauppinen, keyboardist and keytarist Henrik Klingenberg, and drummer Tommy Portimo. All the musicians of the band's history except Portimo also acted as backing vocalists.
On May 25, 2007, Unia was released. The album's first single, "Paid In Full", was released on April 27, 2007. On August 6, 2007, the band announced on their website that guitarist Jani Liimatainen had been asked to leave the band due to problems related to his conscription. He was replaced by Elias Viljanen who had already filled in for him in the band's Finnish and Japanese shows during the spring and summer.  In October 2007 Sonata Arctica headlined the ProgPower USA VIII. Later the band supported Nightwish across their 2008 tour of United States and Canada and headlined at the shows that Nightwish cancelled due to Anette Olzon's sudden severe sickness.  It was announced on September 4, 2008 that the band's first two albums would be re-released with bonus tracks by Spinefarm UK on October 6. The Days of Grays was released on September 16, 2009 in Finland and September 22 in the USA. Henrik stated that the new album would be in the same vein as Unia, but not as complex and darker. Singles from this album include "Flag in the Ground" and "The Last Amazing Grays". On August 28, 2009, the music video of "Flag In The Ground" was released to the web. The limited 2CD European edition of the album featured many of the album tracks with all instruments performed by a symphony orchestra.  The band also toured with DragonForce for the third U.S. leg of the Ultra Beatdown. In early 2010 they engaged on an Australian tour with Ensiferum and Melbourne band Vanishing Point. In April 2010, Sonata Arctica embarked on their USA and Canada Headlining tour for The Days of Grays. In October they headlined in Chile in support of the same album.
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Who asked him to leave?

Answer:
the band announced on their website that guitarist Jani Liimatainen had been asked to leave the band


Question:
Yelberton Abraham Tittle Jr. (October 24, 1926 - October 8, 2017), better known as Y. A. Tittle, was a professional American football quarterback. He played in the National Football League (NFL) for the San Francisco 49ers, New York Giants, and Baltimore Colts, after spending two seasons with the Colts in the All-America Football Conference (AAFC). Known for his competitiveness, leadership, and striking profile, Tittle was the centerpiece of several prolific offenses throughout his seventeen-year professional career from 1948 to 1964. Tittle played college football for Louisiana State University, where he was a two-time All-Southeastern Conference (SEC) quarterback for the LSU Tigers football team.
Tittle threw the ball from a sidearm, almost underhand position, something novel at those times, though it was common practice in earlier decades. It was this seemingly underhand style that drew the curiosity and admiration of many fans. In tandem with his baldness--for which he was frequently referred to as the "Bald Eagle"--he made for a very striking personality. Despite his throwing motion, he had a very strong and accurate arm with a quick release. It was because of his quick release and ability to read defenses that he became one of the best screen passers in the NFL. He was a perfectionist and highly competitive, and he expected the same of his teammates. He possessed rare leadership and game-planning skills, and played with great enthusiasm even in his later years. "Tittle has the attitude of a high school kid, with the brain of a computer," said Giants teammate Frank Gifford. Baltimore Colts halfback Lenny Moore, when asked in 1963 to compare Tittle and Colts quarterback Johnny Unitas, said:  I played with Tittle in the Pro Bowl two years ago, and I discovered he's quite a guy ... He and John, however, are entirely different types ... Tittle is a sort of 'con man' with his players ... he comes into a huddle and 'suggests' that maybe this or that will work on account of something he saw happen on a previous play ... The way he puts it, you're convinced it's a good idea and maybe it will work. John, now, he's a take-charge guy ... He tells you what the other guy's going to do, what he's going to do, and what he wants you to do.  Tittle's most productive years came when he was well beyond his athletic prime. On his ability to improve with age, he credited a feel for the game that came from his years of experience in the league. "If you could learn it by studying movies, a good smart college quarterback could learn all you've got to learn in three weeks and then come in and be as good as the old heads," he told Sports Illustrated in 1963. "But they can't."
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was he the only person to do this?

Answer:
it was common practice in earlier decades.