FetchSong

private void fetchSong() {
        final String[] column = {MediaStore.Audio.Media.TITLE,MediaStore.Audio.Media.DURATION,MediaStore.Audio.Media.DATA};
        final String selection = MediaStore.Audio.Media.IS_MUSIC + "!= 0";
        Cursor cursor = getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,column,selection,null,null);
        while (cursor.moveToNext()) {
            Songs songData = new Songs(cursor.getString(0),cursor.getString(1),cursor.getString(2));
            if (new File(songData.getPath()).exists()){
                songsList.add(songData);
            }
            recyclerView.setHasFixedSize(true);
            recyclerView.setLayoutManager(new LinearLayoutManager(this));
            AdapterRecycler adapterRecycler = new AdapterRecycler(this,songsList);
            recyclerView.setAdapter(adapterRecycler);
            recyclerView.getAdapter().notifyDataSetChanged();

        }
    }
}