Billie Eilish is embracing a softer side on her third studio album, Hit Me Hard and Soft. Today, July 29th, she released acoustic renditions of four tracks—“Birds of a Feather,” “Skinny,” “Wildflower,” and “L’Amour de Ma Vie”—as part of "Songline", the debut installment of Amazon Music’s new songwriting series.

Accompanied by Finneas, Eilish's performances are supported by a string section and a live band featuring vocalists Eloise, Rozzi, and Jane Horner, along with drummer Solo Smith and bassist Andrew Marshall. The stripped-down arrangements highlight Eilish’s evolving vocal style.

See Billie Eilish Live

Eilish shared the following:

I think ‘L’Amore’ is the one I’m vocally probably the most proud of on the album. The whole album I’m very proud of, but ‘L’Amore’ is exactly where I like to live vocally.

As Finneas was playing those chords, that’s exactly how I started singing, and that’s how we wrote the song … That’s how I’ve always loved to sing, it’s the way that I feel the best and the most comfortable singing, even though so much of our music has been soft and really high.

Finneas added:

We killed ourselves over ‘Birds of a Feather'. The first day we made any of it, it was, like, very demo-y — a little drum, a vocal, and Billie loved it, and we just started putting stuff on it and shifting stuff, and it got worse and worse and worse and worse and worse. And we kept taking things off and restarting and using this and restarting. And the final version, of course, is so similar to the first thing we made the first day.

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