Yesterday, Justin posted two Instagram videos that featured "Hotline Bling" and "Work." He's had no trouble incorporating the acoustic guitar in his recent performances — is the piano next? Was this a practice session? To be honest, a piano cover of "Love Yourself," "Sorry," or any other song on his album would be the best thing ever.Instagram contentView on InstagramInstagram contentView on InstagramRelated: Raise your hands if you've been watching the video of Justin Bieber serenading Selena Gomez with a  “We hoped to further our work for diversity in swimming by having our swim caps certified for competition, so swimmers at any level don’t have to choose between the sport they love and their hair.”Instagram contentView on Instagram the heft of this video has enough possible readings to be an entire college course. OK, the song is literally called "Revenge"??? I can't, and yet I must. Dear children of the Internet Gods, let us pray: Blessed be this video among throwbacks, and blessed are the modern-day implications, for they shall be read deeply and shadily. Amen.Related:Kendall Jenner Wore the Perfect $15 Crop Top