"Fingers Crossed" is a song by Billie Eilish that was exclusively released on her SoundCloud account. Background Billie stated in an interview that this is the first song that she wrote. It was written for a songwriting class that her mom taught. The assignment was for her to write down lines that she thought were good hooks, titles, or names while watching a movie or TV show.[1] Theme The song was written about a zombie apocalypse, inspired by The Walking Dead, which was Billie's favorite show at the time. Although not intentional, the song came out as a love song.