The vice president and his wife were booed as they took their seats for a National Symphony Orchestra concert of music by Shostakovich and Stravinsky.

The boo birds came after President Trump took over as chairman last month and replaced the board of trustees with loyalists, leading to a rash of cancelled performances.

President Donald Trump installed himself as chair of the institution, with second lady Usha Vance recently appointed by Trump to serve on the board.