Billie Eilish attends the World Premiere Of ‘Barbie’.Photo:Rodin Eckenroth/WireImageBillie Eilishwas worried the party was over for her music career before herBarbiehit.The “Everything I Wanted” singer, 21, opened up toThe Hollywood Reporterabout her creative struggles before she penned"What Was I Made For?“with her brother and collaboratorFinneas.“I honestly was concerned that it was over for me,” Eilish told a roundtable ofDua Lipa,Olivia Rodrigo,Jon Batiste,Cynthia ErivoandJulia Michaelsfor a songwriter roundtable. “We’d been trying and it wasn’t doing what it usually would do in me. I was honestly like, ‘Damn, maybe I hit my peak and I don’t know how to write anymore?’Billie Eilish, Olivia Rodrigo, Dua Lipa, Julia Michaels, Cynthia Erivo and Jon Batiste in ‘The Hollywood Reporter’s’ Songwriter Roundtable.Austin HargraveBut a call from directorGreta Gerwigin January asking her to write a song for theBarbiesoundtrack changed everything.“Greta saved me, really, honestly,” the pop star told the outlet. “It brought us out of it and immediately we were inspired and wrote so much more after that.”In July, Eilish discussed experiencing a “frustration in writing” before the creation of “What Was I Made For?” in aninterview with Apple Music 1 host Zane Lowe.“And Finneas has always been the one that’s like, ‘No, no, no, let’s write. Let’s write.’ And honestly, we were in a period of time where we were both … like through this last winter, we’ve both been incredibly uninspired,” Eilishtold the radio host. “And we’ve still been working and trying to make stuff. And honestly, that song was the first thing we’d written in a minute.“Eilish and her songwriter/producer brother, 26, had been experiencing a period of self-doubt.Finneas, Billie Eilish.Samir Hussein/WireImageNever miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.“We were really in a zone of feeling like we lost it and feeling like, ‘Man, I don’t know if we can do this anymore.’ And we were like, I was 15 years old, 16, 17, and he’s a teenager, you can imagine my thoughts of doubt. Like, ‘Oh, I can’t do this anymore,’ " Eilish explained.While there is an element of Eilish in “What Was I Made For?” she largely tried to step into the shoes of the iconic doll.“The start of writing this song, the first day of writing, Finneas and I, especially me because it’s from my perspective, we were purely only thinking aboutBarbie,” Eilish explained. “I did not think about myself once in the writing process. So that’s the full first verse, pre-chorus, chorus, maybe second verse, all in one night.”

Billie Eilish attends the World Premiere Of ‘Barbie’.Photo:Rodin Eckenroth/WireImage

Billie Eilish attends the World Premiere Of “Barbie”

Rodin Eckenroth/WireImage

Billie Eilishwas worried the party was over for her music career before herBarbiehit.The “Everything I Wanted” singer, 21, opened up toThe Hollywood Reporterabout her creative struggles before she penned"What Was I Made For?“with her brother and collaboratorFinneas.“I honestly was concerned that it was over for me,” Eilish told a roundtable ofDua Lipa,Olivia Rodrigo,Jon Batiste,Cynthia ErivoandJulia Michaelsfor a songwriter roundtable. “We’d been trying and it wasn’t doing what it usually would do in me. I was honestly like, ‘Damn, maybe I hit my peak and I don’t know how to write anymore?’Billie Eilish, Olivia Rodrigo, Dua Lipa, Julia Michaels, Cynthia Erivo and Jon Batiste in ‘The Hollywood Reporter’s’ Songwriter Roundtable.Austin HargraveBut a call from directorGreta Gerwigin January asking her to write a song for theBarbiesoundtrack changed everything.“Greta saved me, really, honestly,” the pop star told the outlet. “It brought us out of it and immediately we were inspired and wrote so much more after that.”In July, Eilish discussed experiencing a “frustration in writing” before the creation of “What Was I Made For?” in aninterview with Apple Music 1 host Zane Lowe.“And Finneas has always been the one that’s like, ‘No, no, no, let’s write. Let’s write.’ And honestly, we were in a period of time where we were both … like through this last winter, we’ve both been incredibly uninspired,” Eilishtold the radio host. “And we’ve still been working and trying to make stuff. And honestly, that song was the first thing we’d written in a minute.“Eilish and her songwriter/producer brother, 26, had been experiencing a period of self-doubt.Finneas, Billie Eilish.Samir Hussein/WireImageNever miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.“We were really in a zone of feeling like we lost it and feeling like, ‘Man, I don’t know if we can do this anymore.’ And we were like, I was 15 years old, 16, 17, and he’s a teenager, you can imagine my thoughts of doubt. Like, ‘Oh, I can’t do this anymore,’ " Eilish explained.While there is an element of Eilish in “What Was I Made For?” she largely tried to step into the shoes of the iconic doll.“The start of writing this song, the first day of writing, Finneas and I, especially me because it’s from my perspective, we were purely only thinking aboutBarbie,” Eilish explained. “I did not think about myself once in the writing process. So that’s the full first verse, pre-chorus, chorus, maybe second verse, all in one night.”

Billie Eilishwas worried the party was over for her music career before herBarbiehit.

The “Everything I Wanted” singer, 21, opened up toThe Hollywood Reporterabout her creative struggles before she penned"What Was I Made For?“with her brother and collaboratorFinneas.“I honestly was concerned that it was over for me,” Eilish told a roundtable ofDua Lipa,Olivia Rodrigo,Jon Batiste,Cynthia ErivoandJulia Michaelsfor a songwriter roundtable. “We’d been trying and it wasn’t doing what it usually would do in me. I was honestly like, ‘Damn, maybe I hit my peak and I don’t know how to write anymore?’

Billie Eilish, Olivia Rodrigo, Dua Lipa, Julia Michaels, Cynthia Erivo and Jon Batiste in ‘The Hollywood Reporter’s’ Songwriter Roundtable.Austin Hargrave

Billie Eilish, Olivia Rodrigo, Dua Lipa, Julia Michaels, Cynthia Erivo and Jon Batiste in The Hollywood Reporter’s Songwriter Roundtable

Austin Hargrave

But a call from directorGreta Gerwigin January asking her to write a song for theBarbiesoundtrack changed everything.

“Greta saved me, really, honestly,” the pop star told the outlet. “It brought us out of it and immediately we were inspired and wrote so much more after that.”

In July, Eilish discussed experiencing a “frustration in writing” before the creation of “What Was I Made For?” in aninterview with Apple Music 1 host Zane Lowe.

“And Finneas has always been the one that’s like, ‘No, no, no, let’s write. Let’s write.’ And honestly, we were in a period of time where we were both … like through this last winter, we’ve both been incredibly uninspired,” Eilishtold the radio host. “And we’ve still been working and trying to make stuff. And honestly, that song was the first thing we’d written in a minute.”

Eilish and her songwriter/producer brother, 26, had been experiencing a period of self-doubt.

Finneas, Billie Eilish.Samir Hussein/WireImage

Finneas, Billie Eilish

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

“We were really in a zone of feeling like we lost it and feeling like, ‘Man, I don’t know if we can do this anymore.’ And we were like, I was 15 years old, 16, 17, and he’s a teenager, you can imagine my thoughts of doubt. Like, ‘Oh, I can’t do this anymore,’ " Eilish explained.While there is an element of Eilish in “What Was I Made For?” she largely tried to step into the shoes of the iconic doll.

“The start of writing this song, the first day of writing, Finneas and I, especially me because it’s from my perspective, we were purely only thinking aboutBarbie,” Eilish explained. “I did not think about myself once in the writing process. So that’s the full first verse, pre-chorus, chorus, maybe second verse, all in one night.”

source: people.com