import { SMGuitar } from 'simple-musicxml-guitar'

  async function loadXMLDoc() {
    // Load XML document...
  }

  const xmlDoc = await loadXMLDoc('/xml/example.xml')
  const SMG = new SMGuitar(xmlDoc, { debug: true })

  // return a Query object -
  // { harmonies: [], measures: [], notes: [], timeline: [], ... }