In a Shoshone Powwow,when Would the Shoshone Flag Song Heard

In a Shoshone powwow,when would the Shoshone Flag Song heard in the Listening Guide be performed?

A) Before the national anthem
B) After the national anthem
C) In place of the national anthem
D) Before the Grand Entry of all contestants in regalia
E) During the Grand Entry of all contestants in regalia