the photographer blurs the background to bring attention to the main subject in the photo.
Explanation:
The piano was invented by Bartolomeo Cristofori (1655-1731) of Italy. Cristofori was unsatisfied by the lack of control that musicians had over the volume level of the harpsichord. He is credited for switching out the plucking mechanism with a hammer to create the modern piano in around the year 1700.
The best and the most correct answer among the choices provided by the question is the the first choice. <span>Unlike art nouveau, art deco emphasized a functional design based on light and color painting</span>. I hope my answer has come to your help. God bless and have a nice day ahead!