Originally, a group of seven Zarathushtis got together on Peer-i Sabz memorial day at Shannon Falls of Vancouver in June 1997 and performed some Gatha prayers with melody and in a different way . The presence of Gatha Group was officially announced on Ashu Zarathushtra's birthday, 6th Farvardin 3737 Z, 26th March 1999 >>> [1]
Links:
[1] //www.oshihan.org/Pages/gathagroup.htm
[2] //www.oshihan.org