Jason Mraz

In 2012, musician Jason Mraz released his fourth studio album -- Love Is A Four Letter Word.

Folding out the liner notes included with the album, listeners find a quote for Fred Rogers.

The source of the quote -- The World According to Mister Rogers -- is further referenced in the album's liner notes.

In addition to performing the closing song on Episode 121 of Daniel Tiger's Neighborhood, Jason Mraz has been know to cover Won't You Be My Neighbor? during his live performances.