Sohei Rajab is an Iranian vocalist of Persian classical music who was born on 17 May 1991 in Tehran, Iran. As a child he started learning the Santour (Persian classical instrument) under the supervision of his father, Mohsen Rajab (Santour maker). He also learned modal scales and Persian tunes by listening to music masters including Mohammadreza Shajarian & Mohammadreza Lotfi in self-study methods. Soheil Rajab is self-educated in some parts of Persian classical music that it indicates his music enthusiasm. At the age of seventeen, on the advice of his brother, he learned to sing with Yusuf Faryadi. Then, for a while, he used the presence of the honourable artist, Pouria Akhvas, to learn singing techniques. He also used the experiences of his artist friend, Alireza Mehdizadeh, in the field of sound-making techniques.