This is the musical episode that was announced by Rebecca Sugar.
This episode contains Pearl's first solo song, "It's Over, isn't it?".
Shelby Rabara, Peridot's voice actress, is also a dancer who provided the audio of Pearl and Steven tap dancing in the song, "Mr. Greg".
Steven is shown to be able to play the piano.
'Mr. Greg' is the third episode of 'Steven Universe' that's been nominated for a 'Primetime Emmy Award for Outstanding Short Form Animated Program'. The other two nominees are 'Lion 3: Straight to Video', which was nominated in 2015, and 'The Answer', which got a nomination in 2016.