 But there is evidence that the love song is in trouble. Last summer, Spotify revealed that among Gen Z listeners, the most searched term for music was the word sad. Recently, researchers at BYU studied Billboard's top 100 songs of 2019. They were looking at whether love songs told stories of secure romantic attachments or insecure, meaning was the song about fear that a partner would leave or were singers distancing themselves emotionally, that sort of thing.