Beth Gazo
Beth Gazo (ܒܶܝܬ̥ ܓܰܙܳܐ [bɛθ ɡɐːzo]; literary "the house of treasure") is a Syriac liturgical book that contains a collection of Syriac chants and melodies. The book is considered a reference of Syriac Hymnody and without it clerics belonging to the West Syriac Tradition cannot perform their liturgical duty.