His performance of the opera Der Ring des Nibelungen by Richard Wagner was successful in 1899 In 1899, Panzner moved to Bremen, where he became director of the concerts of the Bremer Philharmoniker, the philharmonic choir and in 1904 also of the Lehrergesangverein.
[2] On 1 October 1908 he was called to Düsseldorf, where he succeeded Julius Buths, who had left the orchestra at short notice.
During his tenure, several Düsseldorf premieres were given, including the orchestral cantata Macht hoch die Tür by Julius Weismann, the violin concerto op.
But Panzner was particularly attracted by premieres of contemporary Neue Musik, as he performed them together with Erich Kleiber as part of a complete concert series.
5 G-Major by Ewald Straesser, the Sonata for piano and violin by Paul Pisk, the Lieder für Bariton by Wolfgang Bartesl, the opera Anneliese by Carl Ehrenberg, the Symphony No.