I replace my songs into all radio station, i delete all "Track_001" etc etc and replace my song (which i convert before with one program since .mp3 into .ogg) and after that a change the number of the song into the file "stream_import.ini" at the voice num_trakcs = insert_your_number and then i deleted the song which i want to cancel (there were after 130 track in every radio stations and i put only 30 in all of one of them) into the directory of the radio and after that i delete the string of code into the file "stream_import.ini" The string are like this one: