Music vidoes and operas

I was a little confused at first when I watched a opera followed by a Katy Perry music video, but then I started to noticed the similarity between the two. Both had a heavy efface on costumes and both we re ascetically very pleasing. They also both used costume changes and well done scenery to make the mood. I thought how well down the setting was very compelling in both the operas and the music videos and it created a more interesting pieces of art. I would never have thought that two genres of music that are so different when played back to back could be so similar. This makes me wonder how many different types of art that seem really different are actually very similar.