U.S. Patent: 6,476,302

A saxophone has a main body, a neck, a treble connection set, a connection rod, and a link set. The main body has a high G hole and a high F sharp hole. A high G button and a high G cover are connected by the connection rod. The neck has a treble hole. A treble cover is disposed on the neck. A helical tube is connected to the treble cover to surround the neck. A treble button is disposed on a lower end of the treble connection set. The treble button has a groove. A high F sharp button and a high F sharp cover are connected by the link set.