The term of protection on a song is for the life of the creator plus 50 years (the US and some other countries have extended this to life plus 70 years). Copying without permission is a violation of the creator's rights.
That would be copyright infringement if the original song was protected.
Short phrases like song titles cannot be protected by copyright.
Even the titles of creative works are copyrighted and protected under copyright laws. If you use any part of a song, the title, lyrics, etc. in naming your band, you can be charged with copyright infringement.
No; song titles are not protected by copyright.
If you're using it from a commercial source it is probably copyright protected.
Yes, the theme song for "MacGyver," like most original music, is protected by copyright law. This means that the song's composition and lyrics are the intellectual property of the creators, and any use of the song outside of fair use would require permission or a license from the copyright holder. Copyright protection typically lasts for the life of the creator plus a certain number of years, depending on the jurisdiction.
Anyone can create a work of sufficient creativity and have it automatically protected by copyright.
If you are taking a clip from the movie, the movie itself is protected by copyright, but depending on your use, it may be covered by 17USC107. If you are using a photograph of it, the photograph would be protected by copyright, but your use may be covered by 17USC107.
Louis Armstrong's recording of "Struttin' with Some Barbecue" is protected by copyright. The song was written by Lil Hardin Armstrong, Louis Armstrong's second wife, and has been copyrighted since its creation in the 1920s. As a result, any use of the recording or the sheet music without permission would likely be considered a violation of copyright law.
Yes. Haircuts are not copyright protected.
Using protected materials is legal if you have an exemption in the law or permission from the copyright holder.
Websites are protected by copyright, so you would need permission from the copyright holder or an exemption in the law to use someone else's web content.