Ms. Fleming draws on every resource of her artistry in this portrayal: luminous sound, exquisite ornamentation, floating high notes, emotional volatility.

Wagner reflects Tannhäuser's emotional volatility in the fitful contours of the character's vocal lines.

The position of two of the planets in his chart shows erratic energy and emotional volatility.

The most remarkable thing about Mr. Sinatra in the autumn of his years is the emotional volatility he continues to project onto whatever songs he touches.

Their marriage began to disintegrate with Bloom writing that a main concern during this bleak time of Roth's emotional volatility was self-preservation.

You will find little of Frank Sinatra's emotional volatility here, or even of Tony Bennett's gruff open-heartedness.

Despite the emotional volatility that makes Blaine herself something of a ticking bomb, she is a fearless investigator.

What we wanted was that emotional volatility.

We weren't familiar with the emotional volatility that comes with having a soldier in the family.

From the outset, O'Reilly, who inherited his father's emotional volatility, seems to have viewed himself as a Dirty Harry figure.