The extra “between” would have been funnier if it had been moved to the second line, where it would have tripped up a lot of people without them being able to tell why exactly they thought something was off.
Three Rings for the Unicorn queens under the sky,
Seven for the Pegasus-lords in their halls of cloud,
Nine for Earth Ponies rooted to the ground,
One for the Dark Lord on his crystal throne
“Do not come between the nazgul and his prey!”
In the land of Crystals, where the shadows lie.
Text reference to applause is the best I can offer.
Seven for the Pegasus-lords in their halls of cloud,
Nine for Earth Ponies rooted to the ground,
One for the Dark Lord on his crystal throne