Abstract: A musical instrument comprising an electric guitar and an electric bass in a single instrument having a body to which is attached a neck with enlarged frets so that the neck and the frets may receive at the same time the four strings of the bass as well as the six strings of the common guitar, provided also with a pick-up for the bass as well as with a pick-up for the guitar, both pick-ups leading to a common, single stereo outlet being in turn connected to an already well known amplifier.