The discovery of perspective and Da Vinci's work with light and shadow changed the art
world forever. Explain the impact these two innovations had on art as a whole.

 Light and shodow give art work depth. That helps art look more realistic and it can also make certain things in  the art work stand out.

i think the answer is disc jockeys

the music of the classical period was often written to be more accessible and enjoyable for all people, rather than just the wealthy. how does contemporary music reach all audiences instead of selected patrons? select a contemporary genre of music and discuss how it reaches varied audiences. be sure to identify your musical choice within your discussion.