Story : "Come Rain or Shine: From Grey's Anatomy to Private Practice" goes into the life of Dr. Addison Montgomery as she transitions from Seattle Grace to Oceanside in the new spin-off Private Practice. The episode also includes the premiere of the Grey's Anatomy music video featuring "Breath In Breath Out," a song by Mat Kearney. The video features clips from the previous three seasons and the episode will feature a glimpse at the new season of Grey's Anatomy.