Without the money and patronage of the Medici we might never have heard of artists such as Donatello, Michelangelo or Botticelli. Graham-Dixon examines how a family of shadowy, corrupt businessmen, driven by greed and ambition, became the financial engine behind the Italian Renaissance.
https://en.wikipedia.org/wiki/House_of_Medici
http://www.history.com/topics/medici-family
http://www.britannica.com/topic/Medici-family
Brian Sewell Big Art Challenge UK Art Prize Full Series:
https://www.youtube.com/watch?v=azZUF4eVaIk&list=PLTRal7R3G0f-SI4XoSByxArBodGDHHupR&index=6
Understanding Contemporary Art Full Course:
https://www.youtube.com/watch?v=GYQIK-gbo8w&list=PLTRal7R3G0f8E9rOf82XbZiBhL6IxzDCJ&index=1
Art After Metaphysics:
http://www.amazon.com/After-Metaphysics-John-David-Ebert/dp/1492765481/ref=sr_1_1?ie=UTF8&qid=1450485945&sr=8-1&keywords=art+after+metaphysics
Naked Emperors: Criticisms of English Contemporary Art:
http://www.amazon.com/Naked-Emperors-Criticisms-English-Contemporary-ebook/dp/B00JOS49TC/ref=sr_1_3?ie=UTF8&qid=1451990337&sr=8-3&keywords=naked+emperors
Art21