Bidayuh Section Collection indicated by number of 60-minute tapes. tunton -- bamboo zither (3 tapes consisting of  different titles/tunes) gong orchestra -- (21 tapes consisting of different  titles/tunes) nchio -- flute (3 tapes consisting of different  titles/tunes) jingon -- jaw’s harp (2 tapes consisting of  different titles/tunes) perunchong  -- bamboo xylophone (1 tape consisting  of different titles/tunes) rogoy  -- string instrument (1 tape consisting of  different titles/tune) retong-ritang (also known as gulintang)  -- wooden  xylophone (4 tapes consisting of different titles/tunes).