## Object Hierarchy

        GObject
            BtApplication
            BtSettings
                BtGConfSettings
                BtPlainfileSettings
            GstObject
                GstElement
                    GstBin
                        BtMachine
                            BtProcessorMachine
                            BtSinkMachine
                            BtSourceMachine
                        BtWire
            BtPattern
            BtSequence
            BtSetup
            BtSong
            BtSongInfo
            BtSongIO
                BtSongIONative
                    BtSongIONativeBZT
                    BtSongIONativeXML
            BtWave
            BtWavelevel
            BtWavetable
            BtWirePattern