Thursday 23 June 2011, 07.30 PMVienna, Minorites' Church Vienna Vespro della Beata Vergine 3rd 20-year-anniversary concert of Chorus sine nomine CLAUDIO MONTEVERDI Vespro della Beata Vergine Theresa Dlouhy SopranoBarbara Achammer SopranoMarkus Forster AltusDaniel Johannsen TenorMatthias Helm BaritoneJosef Wagner BassSchola of the Vienna Imperial Chapel Cornelius Pouderoijen, ConductorEnsemble Prisma Wien Chorus sine nomine Johannes Hiemetsberger Conductor