Robyn ‘s new single “Dopamine” is all about questioning the cause of your happiness, the biological impulse of joy set to an upbeat melody, and that’s kind of a buzzkill. Luckily, when you hear Robyn perform the song live, which she did for the first time on Wednesday, you can stop thinking so deeply about everything and actually enjoy the artist’s first new solo track in close to a decade . The song was part of the artist’s Spotify-sponsored set at Los Angeles’ Fonda Theatre, billed “An