Mahler's Sixth Symphony is best known for the "hammer blows" in the fourth movement. Music Director, Michael Stern, Principal Percussionist, Christopher McLaurin and Concertmaster, Noah Geller, all share their views on how many hammer blows should be performed. Plus, hear the Mahler Box for the first time in Helzberg Hall. The Kansas City Symphony will perform Mahler's Sixth Symphony on January 11-13, 2013 in Helzberg Hall. Order tickets at kcsymphony.org or call (816) 471-0400.