Hattar performs solo, and with Al Nagham Al Arabi music ensemble (takht). He also takes part in performances with different orchestras, including the Orchestra of the National Music Conservatory (NMC).
Hattar presents his own compositions, as well as collaborates with Al Nagham Al Arabi music ensemble (takht). Additionally, he joins forces with different orchestras, such as the Orchestra of the National Music Conservatory (NMC).