Conversation so far:
How popular was alvin and the chipmunks during this time frame?
CANNOTANSWER.
Are there any other interesting aspects about this article?
The group's name changed from the "Chipmunks" to "Alvin and the Chipmunks".
In 1983.

Question: Why did they change it?
Self-contained rewrite: Why was the name of Alvin and the Chipmunks changed?