One of the musicians who released the Grammy-nominated "Fallling Slowly"  is also a guitarist for what Irish group?
Glen Hansard Glen Hansard (born 21 April 1970) is an Irish songwriter, actor, vocalist and guitarist for Irish group The Frames, and one half of folk rock duo The Swell Season. He is also known for his acting, having appeared in the BAFTA-winning film "The Commitments", as well as starring in the film "Once", which earned him a number of major awards, including an Academy Award for Best Song.
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.