Augustyn Bloch congratulates Karol Stryja after the performance of the mystery-opera Ayelet, Jephthah's Daughter with Adam Hanuszkiewicz (recitation), Halina Łukomska (soprano), Andrzej Hiolski (baritone), Poznań Boys' Choir, Cracow Philharmonic Soprano Ensemble and Silesian Philharmonic Symphony Orchestra conducted by Karol Stryja.
The world premiere of the work took place on 22nd September 1968 at the Warsaw Philharmonic Concert Hall as part of the 12th Warsaw Autumn International Festival of Contemporary Music.