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.
Vivian Campbell Vivian Patrick Campbell (born 25 August 1962) is a Northern Irish rock guitarist. He came to prominence in the early 1980s as a member of Dio, and has been a member of Def Leppard since 1992 (replacing Steve Clark). Campbell has also worked with Thin Lizzy, Whitesnake, Sweet Savage, Trinity, Riverdogs, and Shadow King.