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This week, we have three stories about the life-changing, transformative power of sound. First, we look at brain activity during moments of silence in music. Then, a student investigates the healing powers of traditional Cambodian chants. Finally, a class of Stanford students led by John-Carlos Perea find a new community while learning the art of the powwow drum. \n \nHost: Hannah Krakauer \nProducers: Angela Castellanos, Bonnie Swift, Hannah Krakauer \nFeatured: Trent Walker, Vinod Menon, Daniel Levitin, Jonathan Berger, Chris Chafe, Gabe Turow, Pat Moffitt Cook, Sherwood Chen, John Carlos-Perea, Michaela Raikes, Ben Burdick, Luke Taylor, Jidenna Mobbison \nMusic: Chloe Krakauer \n \nProducers: Bonnie Swift and Hannah Krakauer \nFeaturing: John-Carlos Perea, Michaela Raikes, Ben Burdick, Luke Taylor and Jidenna Mobbison \n \nMore info at:http://web.stanford.edu/group/storytelling/cgi-bin/joomla/index.php/shows/season-1/125-episode-118.html