Dan nguyet is a stringed instrument (strum) similar to a guitar. But only 2 lines Has a smooth voice

Dan Tranh Dan Tranh is a stringed instrument that has a harp-like instrument with a total of 16 strings, a length of about 100 cm.

Dan nhi is a stringed instrument (color instrument) similar to the Thai fiddle, with a unique high and low tone. Dan nhi has 2 strings.

Dan bau is an ancient single-stringed gourd harp.