Analysis of information sources in references of the Wikipedia article "Shamshi Kaldayakov" in English language version.
He was born Shamshi Donbaiev, but ran away from school and, wanted by the police, had to change his surname. He chose Kaldayakov, meaning 'he has a mole on his foot, because his own father did indeed have one. 'He was the first person in the world to be called that,' [his son] Mukhat cries out when telling this story. 'That's how much of a born composer he was. He even composed his name!'