The New Doctor (song)
From Tardis Wiki, the free Doctor Who reference
"The New Doctor" was a musical piece composed by Murray Gold, used in Part 2 of The End of Time.
The piece scores the first moments of the Eleventh Doctor's life, upon regenerating from the Tenth Doctor. It follows immediately on from Vale Decem musical piece.
The piece is featured on Murray Gold's soundtrack Doctor Who: Series 4 - The Specials.
