Building My Musical Watchlist—What Should I Add?

I’m watching Little Shop of Horrors right now after putting it off for MONTHS. I just paused it and figured I'd make a list to keep myself on check. I'm kinda new to musicals. Really got into it late last year and I don't have a lot of free time to sit back and enjoy them cause I'm an engineering student. I'd love recommendations to slowly knock through. Doesn't matter if it's niche or if it's popular. Any genre!