Conversation so far:
When did Men at Work have their partial reunion?
By mid-1996, after a ten-year absence, Colin Hay and Greg Ham reformed Men at Work to tour South America.
Why was the Men at Work reunion only partial?
The 1996 Men at Work line up had Stephen Hadley on bass guitar and backing vocals; Simon Hosford on guitar and backing vocals; and John Watson on drums

Question: Why did they decide to get back together?
Self-contained rewrite: Why did Men at Work's Hay and Ham decide to get back together?