According to copyright laws in most countries, "musical works" are specifically listed among protected works. The intent of copyright is to encourage creativity, and music is certainly creative.
Virtually all recordings are protected by copyright, and all contemporary music. Older works (prior to 1923 in the US) may not be protected, but arrangements, adaptations, performances, and recordings of it would be.
Yes; architectural works are protected.
Copyright law.
Books and other literary works are protected by copyright law.
Your original works, on your Wordpress blog, are automatically protected by copyright. Using others' copyright-protected works on your Wordpress blog requires an exemption in the law or permission from the copyright holder.
Copyright law protects original works of authorship including literary, dramatic, musical, and artistic works. It can include works such as poetry, novels, movies, songs, computer software, and architecture. Copyright does not protect names, titles, common words/phrases, facts, ideas, systems, or methods of operation
Works no longer protected by copyright are said to be in the public domain.
Works are protected by copyright as soon as they are "fixed." If you wish to register a work with the copyright office, you may do so.
Creative works are protected by copyright. This normally includes intellectual, not physical, creative work. Writings (books, stories, articles), musical compositions, computer instructions, artistic creations, photographs, quilt designs, etc.
Architectural works are protected by copyright.
Yes, and the works derived from those ideals; it should be noted however that general ideals are not protected, for instance: if you had an ideal about 'electronic semi-conductors' that is not a specific ideal but a general one that is not protected, the same could be said for a musical scale.
Works of sufficient creativity are automatically protected by copyright as soon as they are fixed in a tangible medium.