'Grey's Anatomy' is taking a page out of the 'Glee' handbook this week when it finally airs its first ever musical episode. Reportedly seven years in the making, 'Grey's Anatomy: The Music Event' will feature the entire cast, including special guest stars Kate Walsh, Rachael Taylor, Daniel Sunjata and Scott Foley singing musical numbers. Among the songs used in the episode are the Fray's 'How to Save a Life,' 'Chasing Cars' by Snow Patrol, and 'The Story' by Brandi Carlile. 'Grey's … [Read more...]