Watch Justin Timberlake Try to Write Seth Meyers a New Theme Song

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Justin Timberlake accepts the iHeartRadio Innovator Award  at the iHeartRadio Music Awards held at the Shrine Auditorium on March 29, 2015  in Los Angeles, California. 

Justin Timberlake's been a late night fixture for years -- between his appearances on SNL and memorable duets with Jimmy Fallon, Timberlake's musically comic prowess is just about unmatched among pop stars.

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There remains one milestone he doesn't yet have under his belt: composing a late-night show's theme song. He tried to fix that in a new sketch on Late Night with Seth Meyers, where he pitches the host a number of different customized jingles. The only problem? Well, they aren't really customized for Seth.

Watch the fall-out below: