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In page Yerevan:

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Armenian religious music remained liturgical until Komitas introduced polyphony by the end of the 19th century. Starting from the late 1950s, religious music became widely spread when Armenian chants (also known as sharakans) were performed by the soprano Lusine Zakaryan.[citation needed]The state-run Tagharan Ensemble of Yerevan founded in 1981 and currently directed by Sedrak Yerkanian, also performs ritual and ancient Armenian music.[citation needed]