St. Vartan Armenian Cathedral will honor the 40th anniversary of the composition of the Khorenian Badarak and its authorization by His Holiness Vasken I, the late Catholicos of All Armenians, in a concert titled “Hymns of the Heart,” on Friday, Mar. 15, at 7 p.m., in the Cathedral sanctuary (630 Second Ave., corner of 34th St., New York City). The program features a grand guest choir and renowned vocal and instrumental soloists performing works by Maestro Khoren Mekanejian, including excerpts from his exquisite setting of the Armenian Divine Liturgy. For performance and ticket details, click the link to view a flyer. Click the following link to purchase tickets online.