Conversation so far:
Who formed Saosin?
original lineup for Saosin, consisting of Burchell, Shekoski, Kennedy and Green.
When was the band founded?
formed in the summer of 2003.
What was their first album?
first commercial production, the EP Translating the Name.
Where was the album released?
on online forums and music sites.
How did the album do?
It was an immediate success and was immensely popular on online forums and music sites.
Did anyone leave the band?
Bassist Zach Kennedy left the band early on.
Why did he leave?
he wanted to pursue a career in art.
Did anyone else leave?
In February 2004, the band's vocalist Anthony Green left Saosin.
Did anyone join them during this time?
Chris Sorenson.

Question: Did anyone else join?
Self-contained rewrite: Did anyone else join Saosin besides Chris Sorenson?