Melody farting was keeping her in high spirits since she was having her various instruments playing alongside her bassy tuba poots and piano playing since her music room was filled with stinky sounds that elevated the atmosphere of the haunted mansion. "Ooh this wondrous methane music is so good! I can just smell how ghastly it is... I absolutely love it!"
Eventually she decided to go beyond her music room since it was completely green of her flatus; and you can bet that she enjoyed every methane making minute of it since she simply giggled it off as it were nothing due to the fact that she had superiority over the other ghosts who couldn't stomach the stench.
"That's right; don't even think of coming close to me if you can't handle my gamer girl gas stink!"