About Grey's Anatomy Season 16, Episode 20 : Sing It Again

Owen and Link treat an older woman who wakes up from surgery and can't stop singing, while Teddy helps Koracick stay afloat after an estranged loved one from his past comes to the hospital looking for help. Meredith, Bailey and Maggie focus their efforts on a difficult patient with a tricky diagnosis.  Guest Stars: Mason Shea Joyce, Tan Kheng Hua,