Rolf Schweizer
... that composer Rolf Schweizer promoted church music's engagement with trends in secular music, especially jazz?
... that composer <b id="mwA7k"><a href="./Rolf_Schweizer" id="mwA7o" rel="mw:WikiLink" title="Rolf Schweizer">Rolf Schweizer</a></b> promoted church music's engagement with trends in secular music, especially jazz?