In his songs, Bulbul was able to blend national manners of performance with traditions of Italian vocal school.

Bulbul was also known for his music-related publications and teaching vocal arts at his alma mater, the Azerbaijan State Conservatoire between 1932 and 1961.

Bulbul was the first musician to publish study guides and manuals used in teaching students how to play the tar, kamancheh and balaban, traditional musical instruments of Azerbaijan.

The Ministry of Culture of Azerbaijan purchased the bronze busts of Bulbul and several other famous Karabakh Azerbaijanis that had once been erected in Shusha, on the black market in Georgia.

Following the Armenian occupation of Shusha in 1992, these monuments were machine-gunned, removed from their original place and intended to be sold as scrap metal.