Della Mae is an American bluegrass band formed in Boston, Massachusetts, in 2009 by Kimber Ludiker, Amanda Kowalski, Grace van’t Hof, and Avril Smith. Their name, "Della Mae" comes from the song "Big Spike Hammer."
These are videos from concerts where Della Mae played, so they may be of other bands that played the concert as well.
Black Myself, by Amythyst Kiah live at The Long Road Festival 2022
The Long Road Festival Aug 26 - 28, 2022 Lutterworth, UK Added by Mark Sanderson
Persephone by Allison Russell live at The Long Road Festival 2022