[ 157 ] (2).mp4 -

(e.g., a tutorial, a lecture, a music video, or personal footage).

The filename appears to be a generic label automatically generated by a device or software, making it difficult to identify a specific video without more context. Commonly, filenames structured this way indicate: [ 157 ] (2).mp4

(e.g., a specific website, a backup from a phone, or a security camera SD card). a music video