Google has added song lyrics box to its search results for the relevant queries. As noticed by Search Engine Land, on searching for Stairway to heaven lyrics, a massive answer box with most of the lyrics of the song appears. It is followed by a link to the Google Play Store.
On clicking the "Full Lyrics" link, you will be taken to special pages at Google Play.
For the websites that monetize on the basis of the traffic from Google, the new addition can be a big concern.