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." The band released their first EP, "Della Mae: Acoustic EP" in 2010. The group released their first album, I Built This Heart in 2011. Their second album, This World Oft Can Be, was nominated for a Grammy Award for Best Bluegrass Album at the 56th Grammy Awards in 2014.