Tar virtuosos Dariush Talai (L) and Hossein Alizadeh unveil the album “The Burning Light” by Kamamncheh virtuoso Ali-Akbar Shekarchi at Tehran’s Arasbaran Cultural Center on Jan. 7, 2017. The collection teaches the radifs of Mirza Abdollah for Kamamncheh. The total collection of more than 200 gushehs -- traditional melodic modes -- in all 12 dastgahs is known as the radif. (Tasnim/Hossein Zohrevand)