MusicXML 4.1 Draft
MusicXML 4.1 Draft > MusicXML Reference > Examples > <bass-separator>

<bass-separator>

bass-separator-element

<harmony>
   <root>
      <root-step>G</root-step>
   </root>
   <kind halign="center" text="">major</kind>
   <bass>
      <bass-separator font-style="italic">on</bass-separator>
      <bass-step>B</bass-step>
   </bass>
</harmony>