Conversation so far:
what artistry did Scott Weiland do?
Scott Weiland's vocal and musical style proved to be versatile, evolving constantly throughout his career.
what was Scott Weiland's line of employment?
Scott Weiland was a musician, singer and songwriter.
Are there any other interesting aspects about the Scott Weiland article?
Scott Weiland was best known as the lead singer of the band Stone Temple Pilots from 1989 to 2002 and 2008 to 2013, making six records with them.

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