The 70-year-old singer said she had to hire a vocal coach to help re-train her, reported Female First.
"It was just devastating. I went home and after a week of being alone I woke up one day and said, 'I have to go back on stage, this is killing me'. I don't know what I would have done with myself.
"...For six months I couldn't sing at all. Then a vocal coach - Helena Shenel, who I thank so much - I just worked with Helena doing these vocal exercises strengthening my vocal cords, and after the year she said, 'Do you know, I've discovered you've got another octave that you never use. I've never heard you sing that high!'" Bassey said.
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