Conversation so far:
What was the name of American band Exile's first released single?
In 1977, Exile released the single Try it On on Atco Records, and it became a minor hit.
What did American band Exile do before they released Try it on?
The Exiles shortened their name to Exile in 1973 and released their eponymous debut album through Wooden Nickel Records that same year.
What was American band Exile's name before they shortened it?
The band Exile's original name was The Exiles.
Did American band Exile have an album after try it on?
Produce Mike Chapman and Exile decided to collaborate and together they produced the Mixed Emotions album on Warner/Curb Records.
Was American band Exile's Mixed Emotions album a success?
Exile's Mixed Emotions album received Gold Certification.
Did American band Exile's single Kiss You All Over from the Mixed Emotions album ever reach number one?
Exile's single Kiss You All Over 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 American band Exile have any other releases from that album besides the single Kiss You All Over?
Exile's follow up single, You Thrill Me, also from the Mixed Emotions LP did not fare as well, although it did reach the Top 40 for one week.
Did American band Exile have any major changes during the time of the Mixed Emotions album?
Numerous personnel changes took place in 1979. Perhaps most significantly, Jimmy Stokley left Exile that year, forcing remaining members to search for a new lead singer.

Question: Where there any major changes in 1979?
Self-contained rewrite: Where there any major changes to the American band Exile in 1979 besides Jimmy Stokley leaving the group?