Example image of eyePlorer eyePlorer map for 'Octoechos': Byzantine music Echos Greek language Nana (echos) Nenano Babylonia Anicius Manlius Severinus Boethius Diatonic and chromatic Neume Microtonal music Chromatic genus Enharmonic genus Hellenistic civilization Ptolemy Maqam Mediterranean Sea Greek Orthodox Church Gregorian chant Gregorian mode Hymn Accent (music) Cadence (music) Musical mode Musical scale Rhythm Tempo Major scale Minor scale Aeolian mode Enharmonic Tetrachord Ypakoe Armenian chant Troparion All-night vigil Dorian mode Easter Saturday Authentic mode Easter Friday Easter Week Music of Southeastern Europe Plagal mode Sticheron Apolytikion Matins Gospel Doxastichon Bright Week Theophanes the Branded Alleluia Polyeleos
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