A keytar is a musical instrument. It is shaped and held like a guitar, but has keys like a keyboard. Keytars are lightweight keyboards that have a strap that is put around the neck and shoulders. The instrument has a keyboard for playing musical notes and sounds. The earliest keytars were created around the 1970's. This picture of a keytar is one of the most popular keytars. Most popular keytars are seen with a red guitar neck and played in 1980 movies. first appeared in a magazine in 1980.