Roboxula by The Jealous Girlfriends The song plays as Callie copies Cristina's vows onto her hand, Izzie and Meredith play toilet paper bride. Bailey tells Mark and Derek that they found the fourth mountain climber. Falling Or Flying by Grace Potter  Song plays as Cristina is unable to sleep, Alex watches Ava and her husband talk, Derek talks to Meredith about his night. Hold You In My Arms by Ray Lamontagne  The song plays as Burke practices his wedding vows, Callie and George talk about having a baby, Alex talks with Ava's husband while he holds the baby. Closer by Coburn The song plays as Cristina operates. Izzie helps George with his tie and declares her feelings. Within You by Ray Lamontagne The song plays as the interns get the results of their intern test results. Ava asks Alex to giv eher a reason to stay. Meredith and Derek have a heart to heart. Eulogy by The Hereafter The song plays as Alex talks to Addison about Ava. George and Bailey talk about his results. The girls get ready for the wedding. Explosions by The Mary Onettes  The song plays as Cristina readies herself for the aisle & Burke goes to check up on Cristina. Keep Breathing by Ingrid Michaelson The song plays over the end of the episode as Alex looks for Ava, Meredith helps Cristina, Callie watches Izzie, George meets Lexie and Richard talks with Derek.