The introduction of metal brought about the tongnao (a bronze percussion instrument resembling an inverted bell, sounded by a hammer), tongling (a small bronze bell) and tongzhong (a bronze bell).

Later the clapper was abandoned, and bronze bells were played by being hit on the outside with a hammer. Our single bell would once have been part of a set of either nine or fourteen. Each would ...

Later the clapper was abandoned, and bronze bells were played by being hit on the outside with a hammer. Our single bell would once have been part of a set of either nine or fourteen. Each would ...