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ST. LOUIS (KSDK) - For more than 20 years, Joseph Mascolo has played one of the most notorious daytime villains: Stefano DiMera on 'Days of Our Lives.'

Mascolo joined Leisa Zigman on First@4 along with another face you might recognize, his good friend Bob Kuban of the Bob Kuban Band.

Watch the video player above to learn just how a soap star and a Rock and Roll Hall of Famer became friends.

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