April 25, 2020 – Baden City Theater – Premiere of the crossover concert “From Pop to Classical” for 2 soloists and sympho-jazz orchestra – complete arrangement by Pavel Singer, performers: Pia Douwes, Vincent Schirrmacher,  orchestra of the Baden City Theater, Conductor F. J. Breznik

April 23, 2021 – Baden City Theater – Premiere of the Crossover concert “The most famous French chansons” for 2 soloists and sympho-jazz orchestra – complete arrangement by Pavel Singer, performers: Maya Boog, Reinwald Kranner