This television episode refers to:
Michael finds out that his mysterious chair model died in a car crash and he goes to her grave site for closure. Before leaving, he sings, to the music of 'American Pie', these words "Bye, bye, Ms. Chair Model lady. I dreamt that we were married and you treated me nice. We had lots of kids...drinking whiskey and rye, oh why'd you have to go off and die? Why'd you have to go off and die? "