Did you know Paul McCartney permanently changed The Simpsons?
When Paul and Linda McCartney guest-starred in Lisa the Vegetarian, Paul had one condition before saying yes: Lisa had to remain a vegetarian.
The writers agreed, and more than 30 years later, she’s still one of the only animated TV characters whose life permanently changed because of a celebrity guest.
Springfield Soundtrack explores the artists, bands, and unforgettable music moments that made The Simpsons part of music history.
Who is your favorite musician to ever appear on The Simpsons?
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