A mezzo-soprano is a female singer with a range usually extending from the A below middle C to the F an eleventh above middle C. Mezzo-sopranos generally have a daker vocal tone than sopranos, and their vocal range is between that of a soprano and that of an alto.
... from whom are Russians. The largest settlement on the island is Yuzhno-Sakhalinsk[?] (pop. 171,000). A little coal is mined and some rye, wheat, oats, barley and vegetables ...