Especially "Relics", "The Wasteland" and "The Blast Garden"

RUUUUUUUUUUUUUUDE BUSTER

and Checker Dance

The battle themes, Whims of Fate and the original intro, fam

Bard OST by Girlfriend Records is underrated

I'm thinking about "You're Not Supposed To Be Here"

The Main Theme, Electrodrome, Mount Wario, Bowser's Castle, Wario Stadium, Mute City, Neo Bowser City and Big Blue

Has a lot of bangers but Floor 2-3 I feel is the strongest.
From 0:15 - 1:15 and 2:15 - 2:44 my ears are in heaven

BFG Division will never not slap

Especially "Revived Power"

Katamari on the Rocks (Beatbox Version), "Katamari on the Swing", "Baby Universe", "DISCO☆PRINCE" (oh ma gawd, if you want a sure fire to make somebody come, play this track)

"We've Got Hostiles", "Blast Pit 3", "Power Up", "On A Rail 2", "Residue Processing", "Questionable Ethics" (1 & 2), "Forget about Freeman" (that track is for the history books)

Around The World vs Bust A Move, Poison vs Intergalactic

Katamari on the Rocks

Somebody make that a drink

That Buoy Base Remix, BAAAAAASSSS

Katamari on the Funk

Somebody also make that a drink

"Bowser's Highway Showdown", "The Bullet Bill Express", "A Boss Approaches", "Hisstocrat", the three Great Tower tracks