In 2019, December 1, at Aram Khachaturian Concert Hall a concert was held which was dedicated to the 50th anniversary of renowned conductor and pedagogue Tigran Hekekyan.

The concert entitled "Confession" was summary of the sincere confession of half a century of life, the difficult journey and victories of Maestro Tigran Hekekyan.  Maestro’s old and new choir members performed on this concert.

Presentation of sacred music CD "Fiat Lux" of the Little Singers of Armenia choir took place.