Ruin a song with one letter

[Nole Lou]

Janie's Got a Gut

 

[Nole Lou]

Rats in the Cradle

 

[WorldSeriesChamps2015]

Cream on Cream on Cream until your cream comes trueeeee

 

[nffly]

Pearl Jam - Laughter

 

[cfbfan23]

Finger

 

[Scott559]

Bruce Springsteen, Porn in the USA, Oh wait, OP said ruin a song....nevermind.

 

[WorldSeriesChamps2015]

Dancing Queer.

 

[Jerome Silberman]

Al Green - How Great Thou Fart

 

[WisestIowan]

The Beatles - A Gay in the Life

 

[HawkeyeInCentralIowa]

Fūcker- Jonas Bros

Tumor-Lee Brice

Cow-Post Malone

Bugar-Maroon 5

CoCko- OT. Genasis

 

[LuciousBDragon]

Backdoor Boys (I mean Backstreet Boys) - “I want in that way”

50 Cent - “In da flub”

 

[WisestIowan]

Amarillo by Moaning - George Strait

 

[jamesvanderwulf]

Hawkeye Marching Band - In Heaven There is no Deer...

 

[ConvenientParking]

Adam's Bong

 

[Tenacious E]

Adam's Bong

Adam's Dong

 

[ConvenientParking]

Wish You Were Hers

 

[stillh8unlv]

Nirvana - Tape Me

I would contend that song was ruined when it was a wrote and recorded

 

[ConvenientParking]

Fellow Submarine

 

[ConvenientParking]

Norwegian Food

 

[SeaPA]

Tony Bennett’s not so classic, The Lady is a trump.

 

[FSUTribe76]

Hole - Doll Farts

 

[FSUTribe76]

Nirvana - Creed

The best band and the worst combined (from the song Breed).

 

[Jerome Silberman]

David Bowie - Ball the Young Dudes

 

[ConvenientParking]

The Beatles - A Gay in the Life

A Day in the Wife

 

[ConvenientParking]

Suspicious Mines

 

[ConvenientParking]

Blowin' in the Wild

 

[General Tso]

Ruby Hoho

 

[ConvenientParking]

Drain Damage

 

[ConvenientParking]

Uncle John's Bald

 

[Jerome Silberman]

Can You Peel the Love Tonight

 

[TheCainer]

Peter Fun - Henry Mancini

Peter Run

 

[TheCainer]

Take a Memo Maria - R. B. Graves

OP did say to change a "Letter", didn't he?

 

[TheCainer]

Pocket Man - Elton John

 

[hawkdave007]

Lame - David Bowie

 

[ConvenientParking]

Pixies - I Breed

 

[ConvenientParking]

Pixies - Gorge Away

 

[DooBi]

Happy B-jay to you.

 

[ConvenientParking]

My Hand - D12

This would have gotten a like way earlier if I thought you were taking this thread seriously. Great song I forgot all about.

 

[dandh]

Demon Tree - Peter, Paul and Mary

Wing of Fire - JohnnyCash
or Rind of Fire

Cock of Ages (hymn)

Hand Down Under - Men At Work
or Sand Down Under

No Ton of Mine - Foo Fighters

 

[Ol' Dirty Bastard]

Highway to Hull (Iowa)