Wiktionary
coproduce
vb. To produce a creative work together with someone else
Usage examples of "coproduce".
I currently coproduce and star in a television show that features my views.
The series was, needless to say, being coproduced with an Australian company, and episodes were to be shot alternately in London and Sydney.
He made a deal with Qadhafi and then Zuwayy to coproduce those oil fields, and then he backed out and signed with a fat cat Western oil cartel.