L'Osservatore Romano, the Vatican newspaper, covered our conference on "Safeguarding the Musical Traditions of Eastern Christianity" in Rome. It included a performance by some eastern Christian choirs in the ancient church of San Giorgio in Velabro. Here's the link: http://www.osservatoreromano.va/en/news/singing-two-lungs
For a copy of the print version, click here and go to page 9: osservatore_romano.pdf
For the conference website, see http://sacredmusic.nd.edu/special-projects/safeguarding/