Orthodox Eastern Church.
The Hymns of the Hirmologium /

. - Copenhagen : Ejnar Munksgaard,  1952- 
. - v.  27 cm. 
 - (Monumenta musicae byzantinae / Union acadm̌ique internationale  Transcripta  ; v. 7 )
<br/> Pt. 3.2. The third plagal mode. <br/>