AMTK meaning in General ?

Answer: What is America's Most Talented Kid mean?

America's Most Talented Kid is an American television series that premiered on NBC on March 28, 2003. In each round, three age groups (3-7, 8-12, 13-16) of talented children would perform songs, dance numbers, magic, and other forms of entertainment in front of head judge Lance Bass and other guest celebrity judges, such as Sisqo, Maureen McCormick, Jermaine Jackson and Daisy Fuentes. Host Mario Lopez led the highest scorer from each round until only three children were left to compete in the grand finale. In the end, Cheyenne Kimball was crowned the grand champion.

The final NBC episode featured senior citizens competing in a special "America's Most Talented Senior".

A limited-run series on NBC to compete with the growing talent-show trend in reality television, it would later move to the PAX TV (which then had a business/content-sharing relationship with Paxson Communications), the title pluralized to "Kids", with Dave Coulier as host and Daryl Sabara, Scarlett Pomers and Bobb'e J. Thompson as judges. Unlike the NBC version, however, each show would crown a $1,000 winner and give the winner a finale slot. The Grand Champion of this season of "America's Most Talented Kids" was then 13-year-old rock violinist/singer/songwriter Antonio Pontarelli.

Film actor Taylor Lautner made a memorable appearance in the show, putting on an exhibition of his Martial Arts skills. In addition, 2004 American Idol runner-up Diana DeGarmo, 2007 American Idol winner Jordin Sparks, plus American Idol season 9 contestant Aaron Kelly appeared on the show. Singer Tori Kelly performed on the show during the PAX TV run and won, beating out singer and accordionist, Hunter Hayes.

reference

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America's Most Talented Kid	General
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Amtrak (National Railroad Passenger Corporation)	Regional