also see in https://civitai.com/models/345298?modelVersionId=386590, it's same.

Keytar, also known as a keyboard guitar, is a synthesizer keyboard instrument that combines the appearance of a guitar with the functionality of a keyboard. Players can wear it and freely move around while performing, playing notes and chords with both hands. Widely used in pop, rock, and electronic music, Keytar provides performers with increased mobility on stage and a visually captivating presence. It can be connected to external sound sources, offering a variety of tones and effects. Keytar opens up new possibilities for music creation and performance, adding vibrancy and creativity to the music scene.