Archive-fhd-sone-454 -2-.mp4 ((link))

To understand what you are looking at, cross-reference the "454" code with known fan databases:

Try to identify the outfits; K-pop outfits are often the easiest way to pinpoint the exact date of a performance. 4. Archival Best Practices

: Likely signifies a multi-part file or a specific version/edit of the original footage.