Question: Which symphony of Anton Bruckner's does the Wagner tuba have a prominent role in?
Sentence: The Wagner tuba, a modified member of the horn family, appears in Richard Wagner's cycle Der Ring des Nibelungen and several other works by Strauss, Béla Bartók, and others; it has a prominent role in Anton Bruckner's Symphony No. 7 in E Major.
Answer in sentence: yes