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"Make Life Simpler" is a song that the Cat in the Hat, Horace P. Riddley and the Little Cats sing about buying the the Simplifier. As the Cat tells Dad Tidbiddle about it he goes on with it but also as his wife, Mom Tidbiddle if she remembers the other thing they bought.
This song was featured in the Wubbulous World of Dr. Seuss episode "The Simplifier".