Based on the clue 'compose noted for piano playing playing around wi...', what is the answer?

Based on the clue 'complex reproductive systems contain these organs ...', what is the answer? What is associated with: complex snout folds are needed to make this animal whose next chinese year is 2007? What is referred to by 'complicated twisted coiled up'? Based on the clue 'component usually used in cough syrup as a solvent...', what is the answer? What is associated with: composed around 1808 his fifth symphony was one of the first symphonic works to use the trombo… What is associated with: composed around 1905 this debussy symphonic work contains the movement play of the waves? Based on the clue 'composed around 700 bc it recounts a war fought ov...', what is the answer? What is associated with: composed in 1795 his last symphony no 104 in d major is popularly known as the london?