Iranian classical music researcher and Setar player; also the founder of: "Rahegoosh" podcast https://open.spotify.com/show/68bhT7vTOIPE6SIGjVkinZ?si=dTDImAFuR_SgEx0YDY6o5w and www.irantrumpet.com Yasht (1) album is sketched based on "Dastgah Homayoun" and Yasht (2) on "Dastgah Mahoor"; in Iranian classical music (Respectively composed by Yasamin Shahhosseini and Saeed Yaqubian). In Yashts, metric pieces have been performed with a heterophonic texture. Two musicians performed the details of pieces according to their taste at the time of the performance, no synchronizing and matching after the recording.