Jessie Reyez has linked up with grandson for a new song called "Rain."

The chilling new track arrived Wednesday, timed with the release of the new trailer for James Gunn's new film The Suicide Squad. The song is featured in the new trailer for the movie, which arrives Aug. 6 in theaters and on HBO Max.

“I respect grandson as an artist so of course I was really excited to work with him," says Reyez. "When he called me up to bat to feature on 'Rain,' it was a no-brainer. I’m also a fan of James Gunn and his work, so to be able to contribute a small part of my creativity to the world of Suicide Squad is an honor.”

“‘Rain’ is the theme song for making sense of personal tragedy,” adds grandson. “Through this track, I hope others find reassurance that whatever difficulty they’re going through leads to a broader, fuller perspective on life’s beauty somewhere down the road.”

Hear "Rain" below.