Without a license, yes.
That is assuming you did not personally compose, perform and record the song yourself, or take a public domain composition and perform and record it yourself, either of which would mean you own the copyright on those recordings and it would not be copyright infringement to use the recording of the song any way you like.
That would be copyright infringement if the original song was protected.
It would be a copyright infringement if the advertiser has not paid for the use of the song. Advertisers generally do pay, because they wouldn't want the bad publicity of a court case.
I have not received a notice of copyright infringement related to the use of spectrum.
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.
It depends upon whether you have permission, or need permission for your use. Some limited uses are perfectly legal, but you have the burden of proving that your use qualifies for the statutory exemption (e.g., singing it for free in public). If you used a song without permission from the rightsholders, you would be guilty of copyright infringement. Statutory fines in the US range from $750 to $30,000. If the copyright was registered in the US Copyright Office prior to the infringement, the statutory damages could run as high as $150,000 for each song. It is also a federal crime to use a willful copyright infringement for commercial advantage or private financial gain.
Depending on what it is used for. If you or any person is just copying it because they want to learn the words to the song, than that isn't infringement but if they try to use them in another song, that is taking someone else's ideas.
It depends on the type of use.
The reproduction or use of someone else's copyright material without permission or license.Copyright infringement is the unauthorized or prohibited use of works under copyright, infringing the copyright holder's exclusive rights, such as the right to reproduce or perform the copyrighted work, or to make derivative works.
To report a YouTube video for copyright infringement, you can use YouTube's copyright infringement notification tool. Go to the video you want to report, click on the three dots below the video, select "Report," then choose "Infringes my rights" and follow the instructions to submit a copyright complaint.
You would be guilty of copyright infringement, a federal crime.
Infringement limits authors' ability to make money from their works. Part of copyright is the ability to use scarcity to create or sustain demand, but infringement eliminates scarcity.
Copyright infringement is against international law.