By the end of the eighteenth century, the attitude towards musicians had changed. Explain this change of attitude

Classical music used formality and emphasis on order and hierarchy, and a "clearer", "cleaner" style that used clearer divisions between parts (notably a clear, single melody accompanied by chords), brighter contrasts and "tone colors" (achieved by the use of dynamic changes and modulations to more keys).

all options are correct a) b) c) and d)