From the episode 'Belson's Backpack'. This plays during a montage where Belson is drawing dolphin comic strips for Clarence and struggling with creative fatigue.

It's a pastiche of Paul Simon's 'Crazy Love Vol. II'

LYRICS:

Not even Davey Jones’s locker would hold him back
From the waves of expression flowing forth
But getting blurrier the deeper and deeper he sank

Oooh

He’s searching in the deep
Searching in the deep
And he don’t know, no he don’t know what’s next
He’s searching in the deep
Searching in the deep

Searching In The Deep [For Cartoon Network's Clarence]

2025 update: left the deltarune/undertale fandom
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Searching In The Deep [For Cartoon Network's Clarence]

Simon Panrucker