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FILE - In this March 25, 2015 file photo, Bonnie Brown, speaks about being elected into the Country Music Hall of Fame in Nashville, Tenn. Brown, one of three siblings whose smooth harmonies as the Browns influenced generations of singers from the Beatles to Lady Antebellum, died Saturday, July 16, 2016, of complications from lung cancer, her publicist said. She was 78. (AP Photo/Mark Humphrey, File) Image Credit: AP

A publicist for Bonnie Brown, one of three siblings whose smooth harmonies as the Browns influenced generations of singers from the Beatles to Lady Antebellum, has died.

Kirt Webster said Brown died on Saturday of complications from lung cancer. She was 77.

Her brother, Jim Ed Brown, died in 2015, also of cancer. With sister Maxine Brown, the three helped define the Nashville sound of the 1950s and ’60s and were inducted in 2015 into the Country Music Hall of Fame and Museum.

The Browns were from Sparkman, Arkansas.