Article title: the position of Smaa in Gnostic literature

This article defines the position of samaa in Gnostic literature. At first, the author has presented a definition of samaa , and then he has mentioned the reasons of human being belongings to music, and the importance of samaa in Sufism and differences in declarations about the meaning of samaa. After that he has mentioned topics about the voice wellness and the classes of listener in samaa. Other parts of tis article are include: Quranic verses and Prophet (of Islam) statements about samaa, samma from the point of view of Quran and Islam messenger, Gnostic profound researcher like Hajviri, Ghosheyri, Mohammad Ghazali, KhajeAbdolah Ansari and Ahmad Ghazali, which this part is related to their agreement or disagreement with samaa.