ESPERANZA SPALDING AS A REAL-TIME INNOVATOR
On Sept. 12 at noon E.T., a corner of Facebook will flicker to life, and over the next 77 live-streamed hours, Esperanza Spalding will write and record her next album, Exposure. Guest musicians are likely to drop in, and viewers will be able to chat with the record’s creator during an event that will be the first of its kind. You might call
