In "Tung Tung Tung Tung Tung Tung Tung Tung Tung Sahur", the "Tungs" are onomatopoeic; they represent the beat of the Kentongan before "Sahur". Sahur is a tradition in many Islamic countries where muslims have food at dawn before the sun rises on the first day of Ramadan, before the fasting of Ramadan.