Laura Dungan and her husband, Aaron Fowler, sing and lead music that speaks of the kind of work they do - community organizing and empowerment of the disempowered. Laura grew up Methodist, connecting with Quakers when she attended Friends University in Wichita, Kansas, where Laura and Aaron live.

This is an excerpt from Pendle Hill Pamphlet 389: From West Point to Quakerism, by Mike Heller, narrated by Mark Helpsmeet, with music by Mathilda Navias.
Regina Gallero was born and raised in Chile, coming to the USA for graduate school. Though she played guitar in her youth, she didn't start writing songs until her later 50's. Her spiritual path started with Catholicism, wended its way widely, and she has been attending Milwaukee Friends Meeting for the past year, where she gave a concert recently on "The Experience of Oppression and the Quest for Freedom" through Latin American Folk songs, images and stories.
Julie and Bruce Hecksel are Patchouli and 'Fast Forward Folk' is what it says on their website. Julie caught the guitar bug seeing Taj Mahal while in her teens.
Dhaivyd Hilgendorf teaches at Friends School of Minnesota, a Quaker school which fits Dhaivyd's inclinations very well. He's made a wide variety of music in a wide variety of places and with a wide variety of musicians.