Why it worked
The video leverages a common user behavior: trying to identify a song. By presenting multiple versions of a song and asking for audience preference, it creates engagement. The implicit promotion of the SongSeek app, which helps users find songs, aligns perfectly with the video's theme, making the promotion feel organic and valuable.
Summary
The creator presents four versions of a song, spanning from 1986 to 2020, asking viewers to choose their favorite. The video implicitly promotes the SongSeek app as a tool for identifying songs.