The composer of the march to honour sultan Abdülaziz I (Abdul Aziz I) was the leader of the sultan’s band, Callisto Guatelli, also an Italian like his predecessor Giuseppe Donazetti, who composed the previous two sultans’ marches. By this time it seemed to be expected of each new sultan that an imperial march would be composed for him.
Special thanks to: Emre Aracı for some of this information.