Dumb and Dumber' might be the name of a Jim Carrey classic, but it's also an apt description for his obsession with a certain number back in 2007.

Sometimes, ridiculously named songs end up at number one on the top of the charts. Such as the case with these five.

From original songs like Jazzman to musical spoofs like The Monorail Song, these are the 10 best musical numbers from The Simpsons' 30-plus years on television.

Today’s Lyrical Lightning theme is songs with numbers in the title. Play along at home and see if you know these songs better than Jillian and Ryan!