This page exists within the Old ArtZone Wiki section of this site. Read the information presented on the linked page to better understand the significance of this fact.
Choose Edit > Audio to add an audio file as a background for an animation. The Audio Options dialog prompts you to select a .WAV file. You can play the audio file to preview the sound, specify the frame number in your animation where the audio file should start to play, and set whether to adjust the current animation range in order to accommodate the length of the audio file.