There’s a steadiness to Billie Eilish’s music that makes it a perfect match for any gym vibe. Curated by our Apple Music editors and Apple Fitness+ trainers, this playlist is designed to guide you through your next session—whether that’s yoga, cycling, lifting, or anything else—while keeping things chilled out but dialed in. “Billie’s sound and approach are so unique,” says Apple Fitness+ Cycling trainer Kym Perfetto. “Her music is great to work out to as it helps you focus inward and push through the challenging parts.” Our editors mix things up now and then, so if you hear something you like, add it to your library.