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Within the finding aid each individual audiotape (or other media) receives a unique file unit number (e.g., T-249.1, T-249.2, etc.) Also, in most cases, all tapes in a collection will have the same "T-" or "CD-" number and then a separate reel/item number so that all tapes from the same collection can be shelved together. Instructions for how to list and tag A/V material in the finding aid are in the How to EAD (XMetal) section of this manual.
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The description/listing of each tape should consist of four or five parts (no format necessary if you've articulated it in the scope note):
Title. Description. , Date. Format (if listing it). Time.
EXAMPLE from the Judy Chicago Audiotape Collection:
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