What best defined Billie’s Don’t Smile at Me era?

Don't Smile at Me Debut Era
Billie Eilish's Don't Smile at Me Debut Era (2015-2017)
Billie Eilish
Music
Don't Smile at Me Debut Era poll options
Don't Smile at Me Debut Era
Billie Eilish's Don't Smile at Me Debut Era (2015-2017)
Billie Eilish
- The whisper-dark vocal style
- The raw outsider teen lyrics
- The moody minimalist visuals
- The genre-mixing sound