DULUTH — Once a month, typically on a Sunday afternoon, the Friends Meeting House is filled with voices singing together. It's not a performance because everyone present is involved in the singing.

Shape note singing is one of America's oldest musical traditions, and it is having a bit of a revival now because of an updated songbook. (SOUNDBITE OF MUSIC) SIMON: Laura Atkinson and Justin Hicks, ...

Area singers find meaningful sounds in shapes Paul Waterman might not recommend sitting in a church pew for exercise -- unless you want to join him for a session of shape-note singing. Last week, ...

The Sacred Harp, a book of religious tunes first printed in 1844 is getting an upgrade. And shape note singers who use it are very excited. People who perform a traditional style of American music ...