Sophie Trudeau is a Canadian musician. She is best known for being a member of Godspeed You! Black Emperor, and co-founder of Thee Silver Mt. Zion Memorial Orchestra & Tra-La-La Band with Efrim Menuck and Thierry Amar.[1] She also plays in a number of other bands, including Valley of the Giants and The Mile End Ladies String Auxiliary.

Trudeau first served as violinist for Godspeed You! Black Emperor on their first EP, Slow Riot for New Zer Kanada, which was released in 1999. Trudeau went on later to co-found Thee Silver Mt. Zion Memorial Orchestra & Tra-La-La Band, where she serves as one of two principal violinists.[1] Trudeau has also played the bass guitar on the EP The "Pretty Little Lightning Paw" E.P.,[2] as well as trumpet on Horses in the Sky.[3] She is also credited as playing violin on the Arcade Fire track "Wake Up" from their debut album Funeral.

Sharing the responsibility with the other six members, Trudeau sings with Thee Silver Mt. Zion Memorial Orchestra & Tra-La-La Band.

Trudeau is also the founder of Bangor Records. Its current roster includes her string trio project, The Mile End Ladies String Auxiliary, for which she plays violin, along with Beckie Foon of Thee Silver Mt. Zion Memorial Orchestra & Tra-La-La Band on cello and Genevieve Heistek of Hangedup on viola. Their first album, From Cells of Roughest Air, was released from Bangor Records on January 1, 2005.[4] She is also a member of Diebold, a duo released on her label Bangor Records in January, 2007.[5]

In 2006, Sophie, with Efrim Menuck and Thierry Amar, assisted in the recording of Carla Bozulich's first release for Constellation, Evangelista.[6]