There are musicals that I like, and Disney's animated movies have songs in them too.
Other than that, I believe it would break down the level of realism I like movies to have.
But they are very different traditions of cinema, obviously
I can understand how a couple of hours of pretty people in colourful clothings, dancing and singing towards a happy end can be a great escape from a more harsh reality than my own.
I have watched a couple of Bollywood productions, and that was an interesting peak into Indian culture