“What are You Waiting for?”
by Nickelback

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“Here We Go Go Go Go on an Adventure”
by Martin Short, Jacob Ewaniuk, and Alexa Torrington from The Cat in the Hat Knows a Lot about That

The video contains all the variations on the song. If you watch all of it, you should be able to tell that it was altered to fit every episode.

“Stop Your Crying”
by Lake Street Dive

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“Spinal Column”
by Stereolab

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“Babe We’re Not a Part of Society”
by the Church Mice

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“Secret Days”
by Schools of Seven Bells

Download: Bing

“Stay with Me”
by Sam Smith

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“It’s All about the Bass”
by Meghan Trainor

Download: Bing

“A Star is Born”
by Uncredited from Disney’s Hercules

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“Go”
by Kyle Douglas

Download: Bing