No linguistic content:
Code zxx (008/35-37 - all materials) indicates that the item has no sung, spoken, or written textual content.
Examples of such items are:
1.) instrumental or electronic music;
2.) sound recordings consisting of nonverbal sounds;
3.) moving image materials with no sound or sign language content, or if sound, no narration;
4.) visual materials other than moving images with no printed titles, captions, etc.]