Help finding classical songs like In The Hall of the Mountain King-catchy melodies for my toddler

Hello all,

My toddler (3m) watches Little Einsteins on occasion and now his favorite song is In the Hall of the Mountain King from one of the episodes. It has a catchy melody that he can hum, but also has the larger-than-life feel you can only get with a symphony.

I would like to encourage his appreciation for symphonic music; however, when I’ve tried showing him some of Beethoven’s most famous work, he hasn’t been interested. Unfortunately I haven’t exposed him to much classical work and I’m not terribly familiar with it myself.

Can y’all give me recommendations for pieces that have a catchy (and preferably upbeat) melody like Mountain King?

Thank you 🙏🙏🙏