Conversation so far:
what artistry did scott weiland do?
CANNOTANSWER.
what was scotts line of employment?
STP.
Are there any other interesting aspects about this article?
Weiland's vocal and musical style proved to be versatile, evolving constantly throughout his career.

Question: what was his biggest accomplishment?
Self-contained rewrite: what was Scott Weiland's biggest accomplishment?