D, opera
Extra information:
Songs were not cultivated in Italy, neither were symphonies. Concerts do mainly originate in Italy, but they do not have anything to do with the romantic era. The Opera, however is considered one of the most romantic musical forms and was cultivated in Italy. Therefore the correct answer should be Opera.
I don't know what u mean by primary purpose light colors but if you just asking for primary colors these are the only ones.