One of the musicians who released the Grammy-nominated "Fallling Slowly"  is also a guitarist for what Irish group?
The Swell Season (album) The Swell Season is the self-titled and first album by the duo The Swell Season, (Glen Hansard and Markéta Irglová), released in 2006. "Falling Slowly" went on to be nominated for a Grammy and win the Academy Award for Best Original Song in 2008.
Crooked Still Crooked Still is a band consisting of vocalist Aoife O'Donovan, banjo player Gregory Liszt, bassist Corey DiMario, cellist Tristan Clarridge and fiddler Brittany Haas. They are known for their high energy, technical skill, unusual instrumentation, and innovative acoustic style.