In Gowan Ring is the musical endeavour of American composer and multi-instrumentalist B'eirth. Started in the early 1990s, In Gowan Ring plays acoustic songs with strong roots in folk, medieval, and psychedelic music.
B'eirth's soft voice is accompanied by (among other instruments) guitar, harp, piano, cello, bodhrán and many of his own instrument creations (citterns, guitars, hybrids, etc.).
See also: Birch Book