How many movies have Frank Zappa and Ralph Humphrey acted in together?

They have worked on 3 movies together! Their first movie together was Roxy: The Movie (2015) while their highest rated movie together was Eat That Question: Frank Zappa in His Own Words (2016). They have not worked together since Over-Nite Sensation (2023).

Role
guitar & vocals
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drums
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Compositor
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Orchestrator
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Author
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Himself
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Himself
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Director
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Writer
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Music
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Producer