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Her voice is low and gently burred, her affect is a funky mix of playfulness and precision.

Afterward, the products get “burred,” a process that involves removing the sharp edges.

The patter, delivered in Mr. Silven’s smooth, slightly burred voice, is a little pat, as when he intones, “By coincidence, by fate, by destiny, a group of you have come together to predict the improbable.”

Mr. Starr has a skinny, burred voice that sounds as if he were quivering, and when the guitarist Paul Jackson chimes in with high harmony vocals, as on “Six Ways to Sunday,” it’s bracing.

His sound on the tenor saxophone, his primary instrument, was distinctive: taut and throaty, slightly burred, dark-hued.