Kellie Pickler

Kellie Pickler performs at the Grand Ole Opry house on Feb. 10, 2015.

Chris Hollo

The Grand Ole Opry's home since 1974 has been added to the National Register of Historic Places. The Opry's sixth home, the Opry House represents the heart and soul of country music and has hosted countless concerts, award shows, radio broadcasts and non-country events in its 41-year history.

Current Opry members include Dierks Bentley, Roy Clark, Martina McBride, Old Crow Medicine Show, Dolly Parton and Carrie Underwood.

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The distinction was arranged by Dr. Carroll Van West, director of the Center for Historic Preservation at MTSU. The Opry House cerebrated its 40th anniversary last year. The Opry as an institution is turning 90 this year with nine months of special celebrations beginning March 24.

The Opry House's predecessor, the Ryman Auditorium, built in 1891, was added to the National Register of Historic Places in 1971 and was designated as a landmark in 2001.

The current venue's opening night on March 16, 1974 was famously attended by a piano-playing President Nixon. Watch a clip: