Yes, they are protected by copyright.
get a lawyer and go to court asking permission
You would need permission from the rightsholders of each of the works involved. For example, if you're combining recordings of three songs and snippets of two movies, you would need permission from the publishers of each of the three songs, the labels of each of the three recordings (often separate from the song), and the studios of the two movies. Fees vary wildly based on your intended use.
You only need permission for your monologue if you're planning on using to make money. What I mean is that you can't use a monologue and perform it and make people pay for a ticket. You don't need permission to use a monologue for trying out for a play or movie though.
To get permission and license to make a cosmetic item you need clearance from the relevant government agencies and the local authority.
Unfortunately, the law makes no concession for such limited use, so you will need to ask permission, but it is unlikely anyone will bother to assess a fee.
To make sure the building is safe to build.
unfortunatly, the dsi will not sort songs, you need to make your own folders
You do indeed need permission to write an adapted screenplay. This is to make sure you are following the copy rights.
You would need to gain permission to use copyrighted content if you are going to make money from it. Generally, you can use copyrighted content (covering songs and such) if you make no money from it. The copyright holders might put adverts on your video so that they make money from it instead.
I wish to make arrangement of music from Mary Poppins for a youth orchestra in Birmingham (England) and need to find contact for permission.
I need permission to copy when I'm at school.
As long as you are capable of making an account, you do not need permission to make an account. If you are 13 or less, it is recommended, though, not forced, that you should keep personal information to yourself.