Fritz Weiss
... that during his imprisonment in the Theresienstadt concentration camp, Fritz Weiss continued his collaboration with jazz orchestras outside of the camp?
... that during his imprisonment in the <a class="mw-redirect" href="./Theresienstadt_concentration_camp" id="mwD-A" rel="mw:WikiLink" title="Theresienstadt concentration camp">Theresienstadt concentration camp</a>, <b id="mwD-E"><a href="./Fritz_Weiss" id="mwD-I" rel="mw:WikiLink" title="Fritz Weiss">Fritz Weiss</a></b> continued his collaboration with <a href="./Jazz" id="mwD-M" rel="mw:WikiLink" title="Jazz">jazz</a> orchestras outside of the camp?