Original sentence: Because of that, they aspired to these Eastern Bulgarian songs collected from Cholakov.In fact, Miladinovs don't search authorization and their idea was to have songs from all the Bulgarian lands, not only from Western Bulgaria, as they called Macedonia
Edited sentence: In fact, Miladinovs don't need authorisation and their idea was to have songs from all Bulgarian lands, not only from Western Bulgaria, as they called Macedonia and because of that, they aspired to these Eastern Bulgarian songs