Popo and Nana were both playing around in a marching band that they found since the Ice Climbers farted around them with their snowy prowess since they were having too much fun farting about in a cool way due to them summoning snow in the city streets.
"This is fun!" Popo chimed upon playfully twirling around with his mallet in his gloved hands. "Why haven't we done this earlier?"
"Because we didn't appreciate how good it is to be so chaotic in a crowd!" Nana chirped in agreement for she was quick to fart in a tuba player's musical instrument which was enough to have her laughing. "I wish we thought of this earlier!"