Ettie, who was born and raised in London, is a phenomenon in the music industry because of her lyrical alchemy, which transforms cultural touchstones and personal histories into pure alt-pop gold. She is able to compose alternative pop songs that speak to the anxiety that is felt by millennials because of the gift of being able to play with words. Ettie, who has a degree in...

Adriana Spuria’s new single, “Stone,” presents itself with the polished feel of a perfect skipping-stone, but listening closely reveals it has the curious weight of a fossil in your palm. Spuria sings of a very specific, modern affliction: the slow petrification of the heart. This is a loneliness born not from solitude, but from an inability to feel for anyone else, an insulation that...