All For Baseball-10122021_720p.mp4 -

: This is the most likely subject. The Red Sox famously adopted the remix of "Dancing on My Own" as their 2021 anthem. On October 11 and 12, 2021, the team was celebrating their ALDS victory over the Tampa Bay Rays, and clips of their clubhouse sing-alongs were widely circulated on MLB Network and social media during this window.

While the exact full transcript of this specific file is not in the public domain, it aligns with a high-profile period in the 2021 MLB postseason. Based on the date (October 12, 2021), the video likely contains footage or audio related to the following major events: All For Baseball-10122021_720p.mp4

The file name structure suggests a export intended for web or social media distribution. Why Are the Boston Red Sox Singing 'Dancing on My Own'? : This is the most likely subject