What is your most and least favorite familyguy gag?

to me my favorite would be the piano guys(vaudeville) its funny how that one guy would talk and do something random i also like stewie y party. but what i HATED the most was that conway twitty gag. they did it like 20 times and 1.not alot listen to country 2.not alot know twitty 3. each time they'd do the whole damn song