40 Under 40 playlist: These are the songs that drive our 2020 up-and-comers

A little bit of Bowie. A lot of Alicia Keys. Mozart and Sinatra also make an appearance. As part of the questions we put to this year’s 40 Under 40, our annual roster of up and coming young professionals, we asked them for their “career theme songs.” “This is a hard one!” wrote Rachel Flor, executive director of the John F. Kennedy Library Foundation. She went with “Please Come to Boston” by Dave Loggins. “The refrain is ‘I'm the number one fan of the man from Tennessee’ and…