There are two ways of looking at the 18th-century solo motet. One is as a vehicle for expression of religious thought (and a cheap means to fill out your service if you were on a budget). The other is a way of slipping a virtuoso operatic showpiece or two into a sacred service – indeed, if you were Handel, Vivaldi or Porpora, this form of recycling was common 
practice. For her solo Decca
 debut recording, the Russian
 coloratura Julia Lezhneva has
 opted to explore this fruitful
 musical genre with motets 
from four of the most distinctive
 composers of the Baroque and 
Classical periods. Neatly, each motet 
ends with an Alleluia movement, giving the disc its title.

Still only 23, Lezhneva is possessed of an exceptionally pure instrument. The danger with a “clean” voice like hers is the risk of
 a certain sameness over the course of an hour’s solo program, but do not despair:
 this young soprano has two tricks up her sleeve. Recognising the operatic dimension within these works, she hurls herself into the opening of Vivaldi’s In Furore with more bite even than Sandrine Piau on the rival Naïve recording (which is saying something!). Her technique is rock...