Martina McBride's vocal chords 'shot' after overusing them for 30 years, fans worry about her career

Martina McBride's vocal chords 'shot' after overusing them for 30 years, fans worry about her career
Martina McBride was heard singing in an off-key tune during Wynonna Judd's tribute concert (Jason Kempin and Terry Wyatt/Getty Images)

NASHVILLE, TENNESSEE: Martina McBride's recent performance at the Judds' Final Tour show in Nashville has left fans worried for her future as she was heard singing in a raspy and discordant voice. The 56-year-old 'Concrete Angel' singer's vocal cords were put through a lot over years, limiting her ability to hit some of her favorite notes.

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"This isn't the first time Martina has sung off-key," sources said, according to RadarOnline. "At other concerts, she's performed the same songs perfectly and others not nearly as well. She can't blame the sound system," they added. She was performing at Wynonna Judd's tribute tour to her mother Naomi, who died by suicide in April.