persian people attend “Seb-i Arus”celebration to dance and to sing Sufi music at a local derwish convent. ”Seb-i Arus” means reunited with the Beloved One. Mevlana’s death is considered in Sufism to be his reunion with God. Poet Mevlana Jalal al-Din al-Rumi is an illustrious personage of Sufism is the mystical form of Islam. 15 December 2018.