Conversation so far:
What was the Animal Collective?
The band then became more collaborative in nature and they finally settled on the name "Animal Collective.
What year did they form?
2000.
How long were they active?
CANNOTANSWER.
How many band members are in Animal Collective?
four.

Question: What instruments do they play in Animal Collective?
Self-contained rewrite: What instruments do the band members play in Animal Collective?