Zohioliin — Duu Tatah

In short, Urtiin Duu is like a river finding its own path; Zohioliin Duu Tatah is like a calligrapher carefully pulling each stroke.

It sounds like you're referring to (Зохиолын дуу татах), which translates from Mongolian to something like "Downloading a song/audio of a composition/piece." Zohioliin Duu Tatah