LoadExternalStorage

private fun loadStorageData() {
        val selection = MediaStore.Audio.Media.IS_MUSIC + " != 0"

        val projection = arrayOf(
            MediaStore.Audio.Media._ID,
            MediaStore.Audio.Media.TITLE,
            MediaStore.Audio.Media.ARTIST,
            MediaStore.Audio.Media.ALBUM,
            MediaStore.Audio.Media.DATA,
            MediaStore.Audio.Media.DURATION
        )

        contentResolver.query(
            MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
            projection,
            selection,
            null,
            null
        ).use { cursor ->
            if (cursor != null) {
                while (cursor.moveToNext()) {
                    mainActivityViewModel.allTracksLiveData.value!!.add(
                        Track(
                            cursor.getLong(0),
                            cursor.getString(1),
                            cursor.getString(2),
                            cursor.getString(3),
                            cursor.getString(4),
                            cursor.getLong(5)
                        )
                    )
                }
            }
        }
    }