The spotlight flickers on to reveal a lonely hospital cot, revealing Alex O’Connor, better known as Rex Orange County, sitting beside a doctor. As he sits on the bed, he sings his song “Alexander,”...

It was a typical Saturday morning in 2016 when I first heard “Seaside” by Haux — Minecraft, green tea and morning sunlight shining onto my desk. Although the song echoed in my room for only three...