Conversation so far:
How did they get their start?
Ament were members of pioneering grunge band Green River during the mid-1980s.
Did they have success with them?
In an early promotional interview.
Are there any other interesting aspects about this article?
They gave former Red Hot Chili Peppers drummer Jack Irons the demo to see if he would be interested in joining the band.
Did he join?
1991.
Mookie Blaylock soon signed to Epic Records.
How long did he stay with them?
four months.

Question: Why did he leave?
Self-contained rewrite: Why did Pearl Jam leave from Epic Records?