This came up recently in a local topic and I though it worthy of sharing.

Given that a palindrome sentence is a word, phrase, or sequence that reads the same backwards as forwards, Weird Al Yankovic managed to capture a song's worth in 'Bob'

Lyrics Here.

Song, here.

A little bit clever, that's for sure.

I think my favorite is "A Toyota's a Toyota"

ABBA did pretty well with it too

+++ World's longest palindrome +++ (click link to see), courtesy of computer scientist Peter Norvig. If someone is ready to write their magnum opus, here are the words. It will be a long piece of music, and as it is mostly just a long list of nouns, would probably have a similar effect as the songs "Life Is A Rock (But The Radio Rolled Me)" by Reunion, Billy Joel's "We Didn't Start The Fire", or Neil Diamond's "Done Too Soon":

Reference: https://www.dailydot.com/debug/worlds-longest-palindrome-sentence/

Complex palindromes require, IMHO, infinite patience and/or unique upstairs wiring.

Ha! And more idle time than I have!