Only use materials for which you are the rightsholder, which are in the public domain, or for which you have a license or exemption.
YouTube and copyright owners decide what content appears on YouTube. YouTube decides based on the community guidelines while copyright owners decide based on copyright laws.
YouTube has an excellent discussion of copyright on their website; see the link below.
If you are the copyright holder, simply fill out the complaint form (link below) and YouTube will work with you to address the issue. If you aren't, you may wish to alert the copyright holder.
According to YouTube policies, "A copyright strike may expire in 6 months, subject to certain conditions, as long as no additional copyright notifications are received during that time."
According to the rules for Youtube you are not supposed to post copyright material on the site. So theorietically there should be no problem with downloading from youtube; however sometimes people do illegally post copyright material. Therefore you need to be careful in downloading from Youtube.
Instrumental music is protected by copyright, but YouTube's automated matching system may not immediately catch an unlicensed use. See YouTube's copyright polices at the link below for more information.
maybe because it has really bad stuff in it or the music is copyright
copyright issues
Because they were an infringement of copyright.
yes its bad if one of your youtube videos are deleted because they have been claimed copyright.
copyright of music belongs to the sound recording company, composer and lyrics writer if the music is quite old (mozart etc) you can publish it, otherwise it is a copyright infringement to publish music on youtube without the owners permission The best way to avoid copyright infringement on YouTube is to post only content that is entirely your original work.
If a work to which you hold the rights has been uploaded without your permission, use the link below.