"Cornerstone" is a folk-pop collaboration between Allison Leah and Luna Keller. We wrote it about finding hope in the people around us even as the world feels quite dark and heavy.

1. Music and Lyrics by Luna Keller and Allison Leah

2. Released in tandem with Luna and Allison’s “Cornerstone Tour” (2026)

3. Released March 6, 2026 on all streaming platforms.