A new feature to song results has been quietly added by Google that triggers the Google Knowledge Graph. In addition to any other information that may be present for a song in the answer box, it may now show an “other recordings of this song” section. With this new feature, you’ll be other covers that have been recorded by other artists of the same song.
As an example, I did a search for
Here’s another example:
By clicking on the other artist, you can bring up that video, and/or you can click on the “Other recordings of this song” title to get a carousel result search results page. The following image shows what I got when clicking on “Other recordings of this song” for [Creeping Death]