Richard Wagner's new operatic ideas were so radically different than operatic norms of the time that—to avoid opera stereotypes—he called his operatic works Music Drama.
Richard Wagner's Music Drama is characterized by developing the musical configurations regulated by leading motives.
Known at the time as a revolutionary composition, the music-drama of Richard Wagner has elements of characters, objects, themes, or emotions.
Richard Wagner is a German composer who lived between 1813 to 1833.
Hence, in this case, the correct answer is "Music Drama."
