Many see chanting as a practice related only to Buddhism, yet if you open to cultures prior to the onset of Buddhism you find many forms of chanting.  I would like to share chanting from the Aka and Baka tribes (referred to as Pygmies) of the Congo whose chants date back more than 8,000 years. The filmmaker mistakenly calls it yodelling (based on a western perspective):

[youtube=http://www.youtube.com/watch?v=cATZe_jlc9g&fs=1&hl=en_US&rel=0]