Grammy-nominated singer Jessie Reyez just took a knee atop the CN Tower for the singing of "O Canada" before an NBA playoff game Monday ... and the video of the performance is powerful.
The Toronto Raptors posted the footage just before their tilt with the Brooklyn Nets ... showing Reyes on one knee singing the Canadian national anthem while locked into a harness at the top of the famous building.
Reyes' rendition of lasted for nearly 2 minutes ... and the shots of her on the ledge of the 1,800-foot-tall building were breathtaking.
You can also see in the video, she's wearing a mask around her neck that reads, "Breonna Taylor.