
1) Byzantine music 2) Eastern Christian hymn 3) Liturgy of the Hours
Found on
https://www.crosswordclues.com/clue/sticheron

A sticheron (Greek: στιχηρόν `set in verses`; plural: stichera; Greek: στιχηρά) is a particular hymn genre, which has to be sung during the morning (Orthros) and evening service (Hesperinos) of the Orthodox Church and those Eastern Catholic Churches which follow the Byzantine Rite. Stichera are usually sung in alternation with or .....
Found on
http://en.wikipedia.org/wiki/Sticheron

short hymn
Found on
http://phrontistery.info/s.html
No exact match found.