Nadja Schubert: Swinging RecorderDW staff (kjb)12/16/2008December 16, 2008Improvisation is a fundamental element of Baroque music -- and of jazz. Acclaimed flautist Nadja Schubert expertly alternates between both genres in this Christmas concert.https://p.dw.com/p/GHO3Concerto Discreto is an annual concert series at the Arithmeum Museum in BonnAdvertisement