The significance & challenges of singing each other's "heart songs", including the world's songs.
Some things to read on this theme...
The gifts of global music in Mennonite Church USA by Katie Graber, Byron Pellecer, Keshia Littlebear-Cetrone, and SaeJin Lee
The trajectory of Global Song in North Americaby Lim Swee Hong
Appropriation or Activism? Reflections on Global Song by Marissa Glynias Moore