Country superstar Garth Brooks, singer Connie Smith and keyboard player Hargus "Pig" Robbins are the newest members of the Country Music Hall of Fame.

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The announcement was made Tuesday morning at a news conference at the Country Music Hall of Fame and Museum in Nashville, Tennessee.

Brooks took country music to a new level over a 15-year period, becoming the top-selling solo artist in the U.S. with more than 128 million albums sold.

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Smith, the wife of country singer Marty Stuart, is among a pioneering wave of female singers who helped lay the foundation for today's success by women in country music. And Robbins is considered among the top session players in Nashville over a 50-year career that's included work for everyone from George Jones to Bob Dylan.