Hockey is an art. Just like a musician follows a melody, Blues players use the sounds around them to make lightning-fast decisions. Hockey players - and other elite athletes - can quiet their brains and turn down the outside noise to focus and interpret the sounds of the game. Watch and listen as Arun Varadhachary, MD, Washington University neurologist at Barnes-Jewish Hospital, breaks down how hockey players have sharpened their minds to key into these sounds.