Conversation so far:
What is the alchemy index?
The Alchemy Index is a concept album by American rock band Thrice
What is notable about the alchemy index?
The album was conceived as a series of 4 EPs, each of which represents an element of nature: fire, water, air, and earth
Was the alchemy index well received?
It debuted at number 24 on the Billboard 200 chart, and it topped at number five on the iTunes top-selling albums

Question: What happened in 2007?
Self-contained rewrite: What happened in 2007 to Thrice?