message: using TONE_AUDIO_CONTEXT if it exists
diff: @@ -6,12 +6,17 @@ import { version } from "../version";
  */
  let globalContext: BaseAudioContext;
  +// @ts-ignore
  +globalContext = window.TONE_AUDIO_CONTEXT;
  +
  /**
  * Returns the default system-wide AudioContext
  */
  export function getContext(): BaseAudioContext {
  if (!globalContext) {
  globalContext = new AudioContext();
  + // @ts-ignore
  + window.TONE_AUDIO_CONTEXT = globalContext;
  }
  return globalContext;
  }
  @@ -21,6 +26,8 @@ export function getContext(): BaseAudioContext {
  */
  export function setContext(context: BaseAudioContext): void {
  globalContext = context;
  + // @ts-ignore
  + window.TONE_AUDIO_CONTEXT = globalContext;
  }
  /**
  