There probably is some level of interpretation involved in the dream sequence, probably even a secret and even major level of relevance to the plot... Buuuuuut I am here for the ride, going for happy and emotional thrill rides through the levels, its a little bit euphoric <3
The levels, the bright colors, the sweet songs, the pretty characters and enemies... some enemies are just minding their own beeswax and you come in to just slap them : (