Halia Meguid

 is a vocalist who has performed music composed by Murray Gold during the Steven Moffat era. She sang the Siren's song in "The Curse of the Black Spot", featured on the Series 6 soundtrack album in the track "Deadly Siren". Her vocals are featured throughout "A Town Called Mercy" and "The Angels Take Manhattan", including the track "Together or Not At All" when Amy and Rory jump from the rooftop. Meguid performed "Missy's Theme", the leitmotif that accompanied the Michelle Gomez' incarnation of the Master. She is also the voice of the Singing Towers.

Meguid recorded a demo of the beginning of the Long Song from "The Rings of Akhaten". Other vocal contributions include the score for "Torchwood: Miracle Day" and the NBC horror series "Hannibal".