How to ruin a band's name with one letter

[Drago]

AC/AC

The Mamas and the Paps

The Dollies

The Small Faeces

Willy Ocean

Luthier Van Dross

Barry Whine

Barry Manlow

Nell Diamond

Bryan Merry

Rank Sinatra

 

[Kempstonian]

Mad Company
Malice Cooper
Joe Docker

 

[Seevio]

The Jesus and Gary Chain

 

[Drago]

Queef.

 

[Archie_tect]

David's 'ole.

[not quite one change but...]

 

[PeteXXX]

Buddy Dolly
Ruddy Lolly

 

[PeteXXX]

T.Rek
Blub
Slur

 

[Fab Foodie]

Now now, I was acussed of casual racism once when replying to a post about rubbery chicken.

You’re right, but it was hard to resist!

 

[Drago]

The Tardigans.

Alishas Artic.

Franz Ferdinando.

U.F.

Gland Funk Railroad.

 

[raleighnut]

Fishbone Ash

 

[Drago]

Dean Fartin.

 

[Dirk]

Cilla Clack

 

[Dirk]

Snott Walker

 

[HMS_Dave]

Megaseth
Pearl Jaw
Kink Floyd
Depp Purple
The Why
Les Zeppelin
Jethro Pull
Irony Maiden
Des Leppard
Rainboy

 

[Shut Up Legs]

Poxy Music

That one's really popular:
https://www.cyclechat.net/search/24692/?q=poxy+music&t=post&c[thread]=257963&o=relevance