If the playwright ever introduces these people to one another, there might be dialogue. There might be fireworks. Instead there is a glacial slide toward one another in confrontations that happen off-stage, between monologues, that implies that despite everything they need each other. It might be nice to allow the audience to eavesdrop on those off-stage confrontations some time. Technically, it is lovely.
Red lights provide an eerie backlight for the singer's dreams of failure and inadequacy.
When people start the minicam, Karen Perlow's lights flip to tight isolated areas. And the acting is vibrant throughout.