If Only (2004)
After his impetuous musician girlfriend, Samantha, dies in an accident shortly after they had a fight (and nearly broke up), Ian Wyndham, a grief-stricken British businessman living in London gets a chance to relive the day all over again, in the hope of changing the events that led up to her getting killed. london, england, workaholic, musician, loss of loved one, music teacher, sadness, relationship problems, violinist, love, aspiring singer, best friend, guitar player, music school, groundhog day, important meeting, self-absorbed, one day
ETC.
