Conversation so far:
What is Formation and Translating the Name?
The original lineup for Saosin, consisting of Burchell, Shekoski, Kennedy and Green, was formed in the summer of 2003.
How was it formed?
They became known for their distinct musical styles long before their first studio-length album was released, and were popularized on social networking.
How were they popularized on social media?
popularized on social networking and music sites such as MySpace.
The E.P.
has sold an estimated 62,000 copies.
Did they do any televised interviews?
CANNOTANSWER.
Was there any major transitions that happened during this time?
Bassist Zach Kennedy left the band early on, as he wanted to pursue a career in art.

Question: Who replaced him?
Self-contained rewrite: Who replaced Bassist Zach Kennedy ?