Some of the artists of the 60's are revising their hits with new lyrics to accommodate ageing baby boomers
Bobby Darin ---
Splish, Splash, I Was Havin' A Flash

Herman's Hermits ---
Mrs. Brown, You've Got a Lovely Walker

Ringo Starr ---
I Get By With A Little Help From Depends

The Bee Gees -- -
How Can You Mend A Broken Hip?

Roberta Flack---
The First Time Ever I Forgot Your Face?
?
Johnny Nash ---
I Can't See Clearly Now.

Paul Simon---
Fifty Ways To Lose Your Liver

The Commodores ---
Once, Twice, Three Times To The Bathroom

Procol Harem---
A Whiter Shade Of Hair
Leo Sayer ---
You Make Me Feel Like Napping

The Temptations ---
Papa's Got A Kidney Stone

Abba---
Denture Queen

Tony Orlando ---
Knock 3 Times On The Ceiling If You Hear Me Fall

Helen Reddy ---
I Am Woman, Hear Me Snore

Leslie Gore---
It's My Procedure, and I'll Cry If I Want To

And Last but NOT least...

Willie Nelson ---
On the Commode Again