Conversation so far:
What was the first album Tool released?
Tool released their first full-length album, Undertow, in April 1993
Were the singles from the Tool album Undertow hits?
The single Sober became a hit single by March 1994 and won the band Billboard's Best Video by a New Artist award for the accompanying stop motion music video.
What else did they achieve during these four years?

Question: Did the band have any other members?
Self-contained rewrite: Did the band Tool have any other members?