Conversation so far:
Why did those 3 depart the group?
The Wiggles announced that  Greg Page, Jeff  Fatt, and  Murray  Cook would be retiring from touring with the group
Did Greg Page, Jeff  Fatt, and  Murray  Cook have specific reasons for leaving the group the wiggles?
Greg Page, Jeff Fatt, and Murray Cook retired
who left the band the wiggles first?
Phillip Wilcher

Question: when is the last time they performed together?
Self-contained rewrite: when was  the last time the band the wiggles performed together?