Usher spoke on this collaboration with Chris Brown last year, with Revolt:
The song that we did together, I think it answers a lot of questions. There’s a lot of mystery. I think about a lot of things and the reality is we all are human. And though we may all experience hardship, it’s in those times that people should really rally and remember why you fell in love with the artist, why you fell in love with the person.
No word on where this will live, but I assume a collaboration this big is meant for a project.