Yasna, the sacred liturgical texts of the Avesta (Zoroastrian scriptures), which include the Gathas, or sacred hymns of Zarathushtra. The Yelm Community Choir will present a Sacred Music concert, 7 p.m. at the Emanuel Lutheran Church. Selections vary widely in style, including ancient motet, chant, negro spirituals, modern blues and jazz, and well known hymns from. Pop, their 1997 album, was too diverse to be a popular hit, though it…