Prepare to be blinded by some serious flower power! In this clip from 1968, Liberace and the gang are feelin' groovy, and performing it. I checked, born in 1919, he was in his late forties when this was filmed.
Liberace and young folks performing "Feelin' Groovy" (1968)
A waxwork of Liberace in Vegas. Photo: Kobby Dagan / shutterstock