┌─Mp3g01080.1
──────────────┤                           ┌─Mp3g03050.1
              │             ┌─────────────┤
              │             │             └─Mp3g03060.1
              └─────────────┤
                            │             ┌─Mp3g01100.1
                            └─────────────┤
                                          └─Mp3g01440.1