Sun Lo is the collaborative project by the multitalented Canadian producer ATTLAS and the acclaimed British vocalist Richard Walters. Bringing together two likeminded artists who have never even met in real life, the project demonstrates a synergy between the seemingly disparate musical worlds of the club, the orchestra and the singer-songwriter. Both ATTLAS’s production and Walters’ lyrics were inspired by a single narrative, lending the project a seamless cohesion and constant forward motion. Sun Lo describes "Heights" as "a song about fragility and understanding, and the journey to reaching that point of empathy. It’s coming from an environmental point of view, but also applicable to emotional brittleness in humans."