Catholic liturgical music wasn’t always like this — so what changed? In this episode of The Deep, Erika traces how Gregorian chant and polyphony gave way to the folk-inspired hymns that have dominated Mass for decades. From Vatican II and the rise of contemporary liturgical publishers to the theology embedded in the songs themselves, she explores how the music Catholics sing shapes what they believe — and whether a new generation can recover the Church’s sacred musical tradition.

Updates:

At 19:02, Erika mentions Catholic Sacred Music Project, but the picture shown is actually a group called Catholic Institute of Sacred Music. (https://catholicinstituteofsacredmusic.org/)

The group featured at 19:06 on video is Canticle. ( ...