Complex sentence: Pejeng drum (also Pejeng-type drum) is a type of Bronze Age kettledrum which was produced across the archipelago of Indonesia between the 1st and 2nd century AD.
Split into simpler sentences: Pejeng drum (also Pejeng-type drum) is a type of bronze drum found across the archipelago of Indonesia. The artifact was produced across the Indonesian archipelago between the 1st and 2nd century AD.