Turns out that iconic 'Seinfeld' theme song was completely improvised

Seinfeld Theme Song Parodies

How Musician Jonathan Wolff Composed the Seinfeld Theme Song

Seinfeld Theme Song - VI-CONTROL

‘Super Human Lip Stuff’: There’s A Lot More To The ‘Seinfeld’ Theme Song Than You Thought

Are you even a bass player if you don’t know mudshovel, the Seinfeld theme song, and that limp bizkit “just think about it” song? This was our first record with @patseals and he killed it! So many tasty bass runs on this record! | Crobot

Jerry Seinfeld co-wrote theme song for his Pop-Tarts movie 'Unfrosted' with Mark Ronson, Meghan Trainor, and Jimmy Fallon