👉 Psellogrammus is a type of musical instrument that consists of a series of strings, typically made from bamboo or other hardwoods, and is traditionally used in traditional Chinese music. The name "psellogrammus" refers to the shape of the string, which resembles a stylus or pencil's nib. This instrument can be played on various instruments such as the erhu (a type of Chinese flute), guqin (a type of bamboo flute), and the harp.