Conversation so far:
What kind of music do Indigenous peoples of the Americas play?
Traditional music often centers around drumming and singing. Rattles, clapper sticks, and rasps are also popular percussive instruments, both historically and in contemporary cultures.
What was Indigenous peoples of the Americas artwork like?
Visual arts by indigenous peoples of the Americas comprise a major category in the world art collection. Contributions include pottery, paintings, jewellery, weavings, sculptures, basketry, carvings, and beadwork.
Were the Indigenous peoples of the Americas well known for their music and art?
What are some other important things to know about Indigenous peoples of the Americas music and art besides the characteristics and how well known the music and art is?
Because too many artists were posing as Native Americans and Alaska Natives in order to profit from Indigenous art, the U.S. passed the Indian Arts and Crafts Act of 1990.

Question: What happened after that?
Self-contained rewrite: What happened after the U.S. passed the Indian Arts and Crafts Act of 1990?