Lamm (Chicago) and Jim Peterik (Survivor, Pride Of Lions) have released a single set called "Everything Gonna Work Out Fine", which can be found through plotn08, among others.
1 Work out FineNeil Donell
2 Work out Fine (Duet Version)
3 Empty Arena
Jim Peterik & Robert Lamm – Everything’s Gonna Work out Fine +Empty Arena 2020