Six virtuoso vocal soloists and the instrumentalists of Les Accents rise to the dramatic and expressive challenges of Serpentes ignei in deserto – ‘Fiery Serpents in the Desert’ – a biblical oratorio by Johann Adolf Hasse.The central role of Moses is taken by countertenor Philippe Jaroussky, who is joined by soprano Julia Lezhneva as an Angel, sopranist Bruno de Sá, and three further star countertenors – Jakub Józef Orliński, Carlo Vistoli and David Hansen.