A wide variety of music has been impacted by the block, from Adele's "Rolling in the Deep," "Problem" by Ariana Grande ft. Iggy Azalea, and Green Day's "American Idiot", to iconic tunes such as R.E.M.'s "Losing My Religion," and "Smells Like Teen Spirit" by Nirvana, and "Knockin' On Heaven's Door" by Bob Dylan .

Many hit songs are missing from YouTube and YouTube Music as it negotiates a new deal with the performing rights organization SESAC.

The blocks didn't affect all of these artists songs, but when users clicked to listen to some of them — like "Set Fire to the Rain" by Adele — they instead were met with a message that reads, "This video contains content from SESAC.