Persian singers that had duet with popular international singers in the world

 In early 2009, it was revealed that the Azerbaijani entry for the Eurovision Song Contest 2009 would be the song “Always” which was written and composed by Arash. The song was performed by Aysel Teymurzadeh and Arash in a duet in Semifinal 2 of the Eurovision competition. The song qualified for the Eurovision Song Contest final which took place on 16 May 2009, and was placed third.