Watch Solange and Kelela sing a duet for Calvin Klein’s new campaign

Solange, Kelela, Caroline Polachek, Kindness, and Dev Hynes are all featured in Calvin Klein's new #MYCALVINS campaign, and, in a new video, the group comes together for a jam session while sporting their Calvin Klein denim. In the clip, we hear a small sample of a duet sung by Kelela and Solange with backing instrumentation built around their voices. Watch the video above.