My OP was about the icaros sung by Amazonian shamans - ayahuasqueros - during healing ceremonies. The songs are unique to each individual, are reportedly inspired or taught by the plants themselves, and it is believed that singing them during a ceremony results in healing itself. That is - the mere singing of the icaros can result in healing on a spiritual, mental and indeed physical levels. And certainly this practice is widespread in the Amazon communities.

I find a parallel here with Western classical music, even folk music (and dance) that raises the emotions, and lifts the 'feel good' factor.

So my OP was wondering as to whether there are any songs (or chantings) in our own culture that have evolved to deliberately cause this raising of emotions and are used for healing the spirit, or even the physical body.

There are lots of icaros on YouTube - they do have the Internet in the Amazon!! - and Amazon.com also sells CDs of them.