1) Liturgy of the Hours 
Idiomelon (Greek: idio-, `unique` and -melon, `melody`; Church Slavonic: самогласенъ, samoglasen)—pl. idiomela—is a type of hymn found in the liturgical books used in the Eastern Orthodox Church. Unlike the avtomela, idiomela are not used to create another hymn (called prosomoion) in content, metre or melody. == Definition of id...