Today, as The Takeaway broadcasts from Minnesota Public Radio, we look at the music scene in the Twin Cities, where some of the nation's biggest headliners got their start, from Bob Dylan to Prince.   Musician Jeremy Messersmith acts as a tour guide around the cities. Jeremy's  opened for President Barack Obama and Vice President Joe Biden, and last year, he embarked on his hugely popular "Supper Club Tour," which combined potluck dinners with living room shows.