They've put Bob Dylan at number one, followed by Neil Young, Bruce Springsteen, Tom Waits (with Kathleen Brennan), Paul McCartney, Leonard Cohen, Brian Wilson, Elvis Costello, Joni Mitchell and Prince.
Others in attendance at the briefing included National Security Advisor Tom Donilon, Homeland Security Advisor John Brennan, Deputy National Security Advisor Denis McDonough, White House Chief of Staff Bill Daley, and John Holdren, the Director of the Office of Science and Technology Policy.