Abigail's Song
From Tardis Wiki, the free Doctor Who reference
Abigail's Song was a song that Abigail Pettigrew once sung in order to calm the fish and sharks on
Behind the scenes
The song is not not named in narrative, but its name is derived from the soundtrack to A Christmas Carol as well as . Written by Murray Gold and performed by Katherine Jenkins, it prominently featured within the last half of the story.
This song is the third song written with completely English lyrics for Doctor Who after The Ballad of the Last Chance Saloon and The Stowaway.
Several lines of the song are "Silence is all around, Silence is all you'll be and Silence is all you know" which are most likely references to The Silence.