A musical instrument pitch changing apparatus for a musical instrument having at least a first and second string is disclosed. The apparatus includes a bender lever pivotally secured to the musical instrument, a rocker arm pivotally secured to the instrument with a bender saddle for varying the tension in the first string in response to movement of the bender lever between the first and second positions. A mount secures the rocker arm and bender saddle to the first selected string in a first bending configuration or to the second selected string in a second bending configuration. The rocker arm and bender saddle is movable between the first selected string and the second selected string of the musical instrument.