At age 103, Elliott Carter is still composing new works of Serious Modern Music—in other words, music without a tune but with some consideration for timing and rhythm. Each player marches to a different drummer:
The individuality of tempo and rhythm can make his music difficult to perform as each player unconsciously responds physically to the different rhythms he or she hears and yet tries to preserve his or her own system intact.
You can hear clips from a concert in New York at the article.
