Although not a formal release, Billie Eilish ’s viral 2017 Instagram Live cover of Carla Morrison’s "Eres Tú" served as a key inspiration for her own song, "Wish You Were Gay." The chord progression from that acoustic cover was adapted by Eilish to form the basis of her later hit, a fact that deeply touched Morrison . You can listen to the cover on YouTube and read the lyrics on Genius . Billie Eilish – Eres Tú Lyrics - Genius
