J6 Choir sing during their communal one hour 'recreation' period. They begin that hour with The Sign of the Cross and a Prayer. Then they sing the National Anthem. They are in prison without charges and in solitary 23 hours a day.
OFFICIAL SONG/VIDEO “Justice for All” A Recording by Donald J. Trump & the J6 Prison Choir
here is their prayer and National Anthem
J6 Political Prisoners Praying and Singing National Anthem inside DC Jail