مترونوم و محاسبات ریاضی | علی توکلی آهنگساز و مدرس دانشگاه

Round 5 held Composition school مدرسه‌ی آهنگسازی as possibly unofficial; round 6 read its video descriptions and uploader details and found it is the lecturer's/institution's own channel (: Composer/university instructor Ali Tavakoli teaching composition, harmony, solfège.). Title passed the strict checks; oEmbed verified.