I uploaded songs three days ago. But it’s still waiting for approval. Is this normal?
Actually impossible to say as there is no guaranteed review time, but your item should be reviewed as soon as possible. You can often refer to the average review times at the link below as a guideline, but these are just averages and the actual review time could be few days shorter or longer than those listed:
You can also look here.
Right now this is the normal time for review.
By the way, welcome to the community! enjoy and beers!