Conversation so far:
What was the name of Exile (American band)'s first released single?
In 1977, the band released the single "Try it On" on Atco Records, and it became a minor hit.
What did the band do before they released "Try it on"?
The band changed musical styles throughout the late 1960s and early 1970s.
They shortened their name to Exile in 1973.
What was their name before they shortened it?
CANNOTANSWER.
Did they have an album after "try it on"?
He and Exile decided to collaborate and together they produced the Mixed Emotions album on Warner/Curb Records.
Was mixed emotions a success?
The first single release from that album was Kiss You All Over.
The single reached Billboard's Top 40 on 5 August 1978.
Did it ever reach number one?
It remained on the chart for seventeen weeks and was No.
1 for four weeks in September.
It was a best-seller for six months.
Did they have any other releases from that album?
Their follow up single, "You Thrill Me," also from the Mixed Emotions LP did not fare as well.
Did they have any  major changes during this time?
Numerous personnel changes took place in 1979.

Question: Where there any major changes in 1979?
Self-contained rewrite: Where there any major changes in 1979?