Identify the changes that art underwent in the late 20th century

Often in bluegrass the mandolin chords are so staccato they sound like drum beats arpeggios bass lines melodies

Afilm, like any other artwork, can never be totally understood and appreciated through critical analysis, no matter how complete or astute, although such analysis can open up new levels of meaning and appreciation for the sensitive viewer.

Where does the wood yiri come from? i know it is somewhere in africa but a specific location, . worth 15 points hurry