Storage Audio in Sqlite in newfolder

I use thus code and it works fine with me

String fileName = Environment.getExternalStorageDirectory() +"/Music/Diary.flac";

Music folder is already exist is SD card , I want to make folder New Folder created automatically in SD card , I tried something like that

String fileName = Environment.getExternalStorageDirectory() +"/NewFolder/Diary.flac";

but it's not working