Based on the clue 'beethoven said this great predecessors name which ...', what is the answer?

What is referred to by 'beethoven'? Based on the clue 'beethoven called it sonata quasi una fantasia but ...', what is the answer? Based on the clue 'beethoven lifted a theme from his own prometheus f...', what is the answer? What is associated with: beethoven originally dedicated his 1804 eroica symphony to this world leader? Based on the clue 'beethoven set this f von schiller work to music fo...', what is the answer? Based on the clue 'beethoven supposedly said of this works opening th...', what is the answer? Based on the clue 'beethoven tried all the latest scientific methods ...', what is the answer? What is associated with: beethoven was born in 1770 in this city that until 1990 was the capital of west germany?