An apparatus for converting a standard electric bass guitar to play as a classical upright bass guitar. A bass guitar stand up apparatus may include a mounting stand such as a tri or uni-pod, an adapter, an arm, and a stabilizer. The apparatus may be adjustable for height selection. The apparatus may be quick release for convenience. The arm may facilitate positioning. The stabilizer may mount to lower strap mount. The apparatus may be easily removed and guitar may be played, docked, or transported in standard guitar configuration. The apparatus can also be configured to a supportive belt to afford mobility to a musician while supporting and playing a standard electric bass guitar.