Board Thread:Spoilers!/@comment-1916997-20160721055239/@comment-1916997-20170131014935

Some guesses regarding the musical episode. I think they will go with either the title of a Disney song or something with a music related pun.

For a Disney song my top choice is this:

Once Upon A Dream

It is similar to Once Upon A Time and would work if the singing is because of a dream.

For music related puns, I got 4 right now:

A Forgotten Note

Sliding Scale

Tone Of Voice

Song From The Heart

Feel free to make your own guesses as well.