"Goodbye for Now! - SiIvaGunner: King for Another Day" is a high quality rip of "Goodbye for Now!" from SilvaGunner: King for Another Day. It represents the King for Another Day Tournament contestant Jack & Elmo.
This is a remix of "Goodbye Song" from Bear in the Big Blue House.
Note that Dual Arrangements are sorted by the placement of their rip in the offical playlist, under the character on the left of their thumbnail. This excludes Cool Meme Team, whose duals are both contained under them.