Question: One of the musicians who released the Grammy-nominated "Fallling Slowly"  is also a guitarist for what Irish group?
Sentence (from "Glen Hansard"): 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.
Relevant evidence: No