Jan Dismas Zelenka, court composer of August Elector of Saxony in Dresden, is steadily regaining his deserved reputation.In thi snew recording for Pan Classics, the accomplished young British countertenor Alex Potter succeeds in displaying a wide emotional range in selected works for alto solo: he dazzles with astounding virtuosity in the motet 'Barbara, dira effera' and soars in tender arcs of tension in his performance of the 'Christe eleison' from a late unfinished mass.