Coming up next on VoiceBox -- Medieval Madonnas: Anonymous 4’s Susan Hellauer on chant

The roots of much western music today lie in the haunting sacred vocal music of Medieval Europe. Join Susan Hellauer, a member of the world-renowned a cappella vocal ensemble Anonymous 4, and VoiceBox host Chloe Veltman, for a journey into the history and technique of chant.

The show airs on Friday, December 13, from 8-9pm at 91.7 FM. Or listen in anytime this week via KALW's on demand online local music player. (Re-run: This show originally aired December 16, 2011)

If you missed last week's show, it is available on demand via KALW's online music player throughout this week. Click here and scroll down to the VoiceBox link to access the latest broadcast.

All previously-aired VoiceBox broadcasts can be found here.