Simplify the following text for a Grade 11 native English-speaking person.
Original: Glen Hansard ( born 21 April 1970 in Dublin , Ireland ) is the Academy Awardâ `` winning principal songwriter and vocalist\/guitarist for Irish group The Frames and one half of folk rock duo , The Swell Season .
Simplified: Glen Hansard ( born 21 April 1970 in Dublin , Ireland ) is the principal songwriter and vocalist\/guitarist for Irish rock group The Frames .