But at that moment a nightingale in the wood suddenly uttered two low contralto notes.

Then, from a loggia above the central portico, a woman's clear contralto notes took flight:

The first smooth contralto notes took him captive.

Laura laughed as she glanced back at him, and he contrasted her deep contralto notes with Gerty's flute-like soprano.

Suddenly there came to Amos' memory a weak and tender voice, with contralto notes in it like Lydia's, Lydia's like me, Amos.

Richard listened for the contralto notes he had heard above, and presently detected them declaring with vivid emphasis: Mother has been a dear, splendid martyr.

"Mamma!" rang out the clear contralto notes of her childish voice, audible the whole length of the table.