He was born in Görele in Northeastern Turkey. His father's name was İsmail and his mother's name was Esma. His mother died in 1905 and his father died in 1912. In 1910, when he was at the age of 9, he began playing kemençe. Another kemençe player Kodalak Halil Agha taught him how to play kemençe. Then he attended traditional festivals and weddings and performed famous kemençe türküs.
Osman as a virtuoso
Osman was thought to be a very talented player because of his style of play. He worked at TRT Radio in Ankara for four months. He recorded songs on 78 rpmvinyls. His records include:
He influenced a lot of kemençe players who are now among the best. Mehmet Sırrı Öztürk is an important kemençe player who is influenced by Picoğlu.
Death
He was on board of a ship which sailed to Istanbul when he died. His cause of death is not exactly known but it is thought to be tuberculosis or cirrhosis.
^It is not exactly known which day he was born. Also, some sources even claim that he was not born in 1901 but 1899. But it has never been proven. Ottoman sources claim he was born in the Rumi year of 1316