Not sure exactly how much I am learning from the Harvard Buddhism course, but I sure have bookmarked a whole lot of interesting links from it! Here is a link to the Heart Sutra being chanted in three different languages, for anyone interested, including Tibetan throat-singing I think I may use these for my own sits sometimes, they are quite stirring.
http://themathesontrust.org/library/heart-sutra-audio
Gassho,
Jakuden
SatToday