Milton Babbitt — American Composer born on May 10, 1916,

Milton Byron Babbitt was an American composer, music theorist, and teacher. He is particularly noted for his serial and electronic music... (wikipedia)

The new limitations are the human ones of perception.
I dare suggest that the composer would do himself and his music an immediate and eventual service by total, resolute and voluntary withdrawal from this public world to one of private performance and electronic media.